{"title":"Raytools BD04K Laser Head Parts","description":"\u003cp\u003eAftermarket consumables that fit the Raytools BD04K: nozzles, protective windows, ceramics and other wear parts, each matched to the Raytools part number it replaces.\u003c\/p\u003e","products":[{"product_id":"raytools-3d-aftermarket-laser-nozzle-pack-of-10-single-double-layer-d15-x-m8-x-h19","title":"Raytools 3D Aftermarket Laser Nozzle, Pack of 10, Single \u0026 Double Layer, D15 x M8 x H19","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eA pack of 10 compact copper nozzles in the Raytools 3D format: 15 mm outer diameter, 19 mm height and an M8 x 0.75 thread. They replace Raytools 120GJT09xx single layer and 120GJT02xx double layer 3D nozzles, used on tube and three dimensional cutting heads such as the BM109TC, BM111TC and BD04K.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThe small body clears round and square tube and formed parts. Copper, concentric bore, fits the Raytools D19.5 or D21.4 M8 ceramic.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eSingle layer bores suit oxygen cutting of carbon steel tube; double layer bores suit nitrogen cutting of stainless and aluminium tube. Sold in packs of 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e10 nozzles, all the same layer and bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e15 mm (19\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e19 mm (3\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eThread\u003c\/td\u003e\n\u003ctd\u003eM8 x 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper (high conductivity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eLayer\u003c\/td\u003e\n\u003ctd\u003esingle layer or double layer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eBore Sizes\u003c\/td\u003e\n\u003ctd\u003e0.8 mm to 5 mm (12 sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePart Numbers\u003c\/td\u003e\n\u003ctd\u003eRaytools 120GJT0208, 120GJT0210, 120GJT0212 and more (see table)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools cutting heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm109tc-laser-head-parts\" style=\"text-decoration:none\"\u003eBM109TC\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm111tc-laser-head-parts\" style=\"text-decoration:none\"\u003eBM111TC\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm114tc-laser-head-parts\" style=\"text-decoration:none\"\u003eBM114TC\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bt220-3d-laser-head-parts\" style=\"text-decoration:none\"\u003eBT220-3D\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-gf101-laser-head-parts\" style=\"text-decoration:none\"\u003eGF101\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bd04k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD04K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bd08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD08K\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003e3D and tube cutting heads that take the D15-H19-M8 nozzle on the D19.5 or D21.4 M8 ceramic. Check the nozzle currently fitted if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003cth\u003eSingle Layer\u003cspan class=\"spm-sub\"\u003eRaytools no. (SPM no.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eDouble Layer\u003cspan class=\"spm-sub\"\u003eRaytools no. (SPM no.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e0.8 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color:#999\"\u003eNo Raytools equivalent\u003c\/span\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S08)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0208\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D08)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e1.0 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0910\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S10)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0210\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D10)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e1.2 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0912\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S12)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0212\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D12)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e1.4 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color:#999\"\u003eNo Raytools equivalent\u003c\/span\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S14)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color:#999\"\u003eNo Raytools equivalent\u003c\/span\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D14)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e1.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0915\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S15)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0215\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D15)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e1.8 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color:#999\"\u003eNo Raytools equivalent\u003c\/span\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S18)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color:#aaa\"\u003eNot stocked\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e2.0 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0920\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S20)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0220\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D20)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e2.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0925\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S25)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0225\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D25)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e3.0 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0930\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S30)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0230\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D30)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e3.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0935\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S35)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0235\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D35)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e4.0 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0940\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S40)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120GJT0240\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D40)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003e5.0 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color:#999\"\u003eNo Raytools equivalent\u003c\/span\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-S50)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"color:#999\"\u003eNo Raytools equivalent\u003c\/span\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2102-D50)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eCarbon steel, oxygen\u003c\/strong\u003e\u003cbr\u003eUse single layer nozzles. Small bores (0.8 to 1.2 mm) for thin sheet, 1.5 to 2.0 mm for most 3 to 10 mm plate, 2.5 mm and up for thick plate.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eStainless steel and aluminium, nitrogen or air\u003c\/strong\u003e\u003cbr\u003eUse double layer nozzles. Larger bores are used on thicker material where more gas is needed.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003ePoor cut quality\u003c\/strong\u003e\u003cbr\u003eDross, a wandering kerf or bad piercing are often caused by a damaged or dirty nozzle. Fit a new nozzle of the same bore before changing other settings.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eHeight sensing faults\u003c\/strong\u003e\u003cbr\u003eThe nozzle is part of the capacitive height sensor. A worn or loose nozzle causes height alarms.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-in\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-in\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eWill this fit my Raytools head?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003e3D and tube cutting heads that take the D15-H19-M8 nozzle on the D19.5 or D21.4 M8 ceramic. Check the nozzle currently fitted if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs this a genuine Raytools part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket nozzle made to the same 15 x 19 mm, M8 dimensions. Raytools part numbers are listed so you can match your existing nozzle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow many nozzles are in a pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003e10, all the same layer and bore size you select. Nozzles are only sold in packs of 10.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eSingle layer or double layer?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eSingle layer for oxygen cutting of carbon steel. Double layer for nitrogen or air cutting of stainless steel and aluminium, where the inner cone stabilises the high pressure jet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eWhich bore should I choose?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eUse your machine's cutting chart for the material and thickness. As a guide, thin sheet runs 0.8 to 1.5 mm, mid plate 1.5 to 2.5 mm and thick plate 3.0 mm and up. Bigger bores pass more gas at lower velocity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow often should nozzles be changed?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eWhen the bore is damaged, out of round or coated in spatter that will not clean off, or when height sensing becomes unstable. Busy machines often change nozzles daily.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-in\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-in\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-in\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Will this fit my Raytools head?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"3D and tube cutting heads that take the D15-H19-M8 nozzle on the D19.5 or D21.4 M8 ceramic. Check the nozzle currently fitted if unsure.\"}}, {\"@type\": \"Question\", \"name\": \"Is this a genuine Raytools part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket nozzle made to the same 15 x 19 mm, M8 dimensions. Raytools part numbers are listed so you can match your existing nozzle.\"}}, {\"@type\": \"Question\", \"name\": \"How many nozzles are in a pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"10, all the same layer and bore size you select. Nozzles are only sold in packs of 10.\"}}, {\"@type\": \"Question\", \"name\": \"Single layer or double layer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Single layer for oxygen cutting of carbon steel. Double layer for nitrogen or air cutting of stainless steel and aluminium, where the inner cone stabilises the high pressure jet.\"}}, {\"@type\": \"Question\", \"name\": \"Which bore should I choose?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use your machine's cutting chart for the material and thickness. As a guide, thin sheet runs 0.8 to 1.5 mm, mid plate 1.5 to 2.5 mm and thick plate 3.0 mm and up. Bigger bores pass more gas at lower velocity.\"}}, {\"@type\": \"Question\", \"name\": \"How often should nozzles be changed?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"When the bore is damaged, out of round or coated in spatter that will not clean off, or when height sensing becomes unstable. Busy machines often change nozzles daily.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"Single \/ 0.8 mm","offer_id":67557066637612,"sku":"SPM-LAS-2102-S08-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 0.8 mm","offer_id":67557066670380,"sku":"SPM-LAS-2102-D08-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 1.0 mm","offer_id":67542483894572,"sku":"SPM-LAS-2102-S10-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 1.0 mm","offer_id":67542484156716,"sku":"SPM-LAS-2102-D10-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 1.2 mm","offer_id":67542483927340,"sku":"SPM-LAS-2102-S12-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 1.2 mm","offer_id":67542484189484,"sku":"SPM-LAS-2102-D12-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 1.4 mm","offer_id":67557066703148,"sku":"SPM-LAS-2102-S14-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 1.4 mm","offer_id":67557066735916,"sku":"SPM-LAS-2102-D14-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 1.5 mm","offer_id":67542483960108,"sku":"SPM-LAS-2102-S15-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 1.5 mm","offer_id":67542484222252,"sku":"SPM-LAS-2102-D15-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 1.8 mm","offer_id":67557066768684,"sku":"SPM-LAS-2102-S18-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Single \/ 2.0 mm","offer_id":67542483992876,"sku":"SPM-LAS-2102-S20-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 2.0 mm","offer_id":67542484255020,"sku":"SPM-LAS-2102-D20-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 2.5 mm","offer_id":67542484025644,"sku":"SPM-LAS-2102-S25-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 2.5 mm","offer_id":67542484287788,"sku":"SPM-LAS-2102-D25-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 3.0 mm","offer_id":67542484058412,"sku":"SPM-LAS-2102-S30-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 3.0 mm","offer_id":67542484320556,"sku":"SPM-LAS-2102-D30-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 3.5 mm","offer_id":67542484091180,"sku":"SPM-LAS-2102-S35-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 3.5 mm","offer_id":67557066801452,"sku":"SPM-LAS-2102-D35-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 4.0 mm","offer_id":67542484123948,"sku":"SPM-LAS-2102-S40-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 4.0 mm","offer_id":67557066834220,"sku":"SPM-LAS-2102-D40-X10","price":20.8,"currency_code":"USD","in_stock":true},{"title":"Single \/ 5.0 mm","offer_id":67557066866988,"sku":"SPM-LAS-2102-S50-X10","price":18.48,"currency_code":"USD","in_stock":true},{"title":"Double \/ 5.0 mm","offer_id":67557066899756,"sku":"SPM-LAS-2102-D50-X10","price":20.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_612472cc-8b6e-41af-94af-82a09661e703.jpg?v=1790894348"},{"product_id":"raytools-aftermarket-laser-ceramic-ring-nozzle-holder-single-5-10-packs","title":"Raytools Aftermarket Laser Ceramic Ring, Nozzle Holder, 1, 5 \u0026 10 Packs","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eCeramic nozzle holders (ceramic rings) for Raytools fiber laser cutting heads, in the five body sizes Raytools uses on its 2D and 3D heads: D32 M14, D28 M11, D21.4 M11, D21.4 M8 and D19.5 M8. Each is listed with its Raytools part number, exact dimensions and the heads it fits.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThe ceramic ring insulates the nozzle from the head for capacitive height sensing and holds the nozzle in line with the beam. A cracked or dirty ring causes height sensing alarms.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eEvery size is sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAlumina ceramic body with threaded brass insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eNozzle holder and capacitive sensing insulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSizes\u003c\/td\u003e\n\u003ctd\u003eD32 M14 (120274100B), D28 M11 (120515099A), D19.5 M8 3D (120572008B), D21.4 M11 (120515092B), D21.4 M8 3D (120515093A), D41 M11 (120515089A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools cutting heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bd04k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD04K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bd08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD08K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm06k-laser-head-parts\" style=\"text-decoration:none\"\u003eBM06K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm114-laser-head-parts\" style=\"text-decoration:none\"\u003eBM114\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm115-laser-head-parts\" style=\"text-decoration:none\"\u003eBM115\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bmh109-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH109\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bmh110-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH110\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bmh111-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH111\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bmh114-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH114\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bs06k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS06K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bs12k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS12K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bs15k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS15K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bs20k-laser-head-parts\" style=\"text-decoration:none\"\u003eBS20K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bt220-laser-head-parts\" style=\"text-decoration:none\"\u003eBT220\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bt240-laser-head-parts\" style=\"text-decoration:none\"\u003eBT240\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-gf101-laser-head-parts\" style=\"text-decoration:none\"\u003eGF101\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eHeads per Raytools' own ceramic table. Match the outer diameter and thread of your current ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD32 M14 (120274100B)\u003c\/td\u003e\n\u003ctd\u003eD32 x H12 mm, M14 x 0.75\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120274100B\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2106-D32M1412027410)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBT240, BMH109, BMH110, BMH111, BMH114\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD28 M11 (120515099A)\u003c\/td\u003e\n\u003ctd\u003eD28 x H12 mm, M11 x 0.75\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120515099A\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2106-D28M1112051509)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBT220, BM114, BM115, BS06K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD19.5 M8 3D (120572008B)\u003c\/td\u003e\n\u003ctd\u003eD19.5 x H12.4 mm, M8 x 0.75\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120572008B\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2106-D195M83D120572)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBT240, BMH109, BMH110, BMH111, BMH114, GF101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD21.4 M11 (120515092B)\u003c\/td\u003e\n\u003ctd\u003eD21.4 x H16.9 mm, M11 x 0.75\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120515092B\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2106-D214M111205150)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBM06K, BD04K, BD08K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD21.4 M8 3D (120515093A)\u003c\/td\u003e\n\u003ctd\u003eD21.4 x H12.9 mm, M8 x 0.75\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120515093A\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2106-D214M83D120515)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBD04K, BD08K, BS12K, BS15K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD41 M11 (120515089A)\u003c\/td\u003e\n\u003ctd\u003eD41 x H12.9 mm, M11 x 0.75\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e120515089A\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2106-D41M1112051508)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBS12K, BS15K, BS20K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eAfter a head collision\u003c\/strong\u003e\u003cbr\u003eA crash into a tipped part or the sheet edge usually cracks the ceramic before anything else. A spare ring gets the machine cutting again in minutes.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eHeight sensing alarms\u003c\/strong\u003e\u003cbr\u003eErratic capacitive readings, height jumps or false collision alarms are frequently a cracked or dirty ceramic. Swap the ring before recalibrating the sensor.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003ePlanned maintenance\u003c\/strong\u003e\u003cbr\u003eInspect the ring at every nozzle change and replace it when chips, cracks or heat discolouration appear.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003e3D and tube heads\u003c\/strong\u003e\u003cbr\u003eThe D19.5 and D21.4 M8 rings suit Raytools 3D and tube cutting heads that run the small M8 nozzle.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-in\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-in\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eWhich ceramic do I need?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eMatch your current ring's outer diameter and thread, or its Raytools part number in the table. D32 M14 heads take the D32 nozzle; D28 M11 heads take the D28 nozzle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eAre these genuine Raytools ceramics?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. They are aftermarket rings made to the same dimensions. Raytools part numbers are listed so you can match your existing ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I fit a ceramic ring?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eScrew it in by hand until it seats, then fit the nozzle. Do not use tools or overtighten; ceramic cracks under excess torque.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eWhy does my sensor keep alarming?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the ceramic for cracks, spatter or a loose fit before recalibrating. A damaged ring changes the sensor reading.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eDo you ship worldwide?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. Shipping options and costs for your country are shown at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-in\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-in\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-in\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which ceramic do I need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Match your current ring's outer diameter and thread, or its Raytools part number in the table. D32 M14 heads take the D32 nozzle; D28 M11 heads take the D28 nozzle.\"}}, {\"@type\": \"Question\", \"name\": \"Are these genuine Raytools ceramics?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. They are aftermarket rings made to the same dimensions. Raytools part numbers are listed so you can match your existing ring.\"}}, {\"@type\": \"Question\", \"name\": \"How do I fit a ceramic ring?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Screw it in by hand until it seats, then fit the nozzle. Do not use tools or overtighten; ceramic cracks under excess torque.\"}}, {\"@type\": \"Question\", \"name\": \"Why does my sensor keep alarming?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the ceramic for cracks, spatter or a loose fit before recalibrating. A damaged ring changes the sensor reading.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"D32 M14 (120274100B) \/ 1 Pack","offer_id":67557073223980,"sku":"SPM-LAS-2106-D32M1412027410-P1","price":5.9,"currency_code":"USD","in_stock":true},{"title":"D32 M14 (120274100B) \/ 5 Pack","offer_id":67557073256748,"sku":"SPM-LAS-2106-D32M1412027410-P5","price":27.15,"currency_code":"USD","in_stock":true},{"title":"D32 M14 (120274100B) \/ 10 Pack","offer_id":67557073289516,"sku":"SPM-LAS-2106-D32M1412027410-P10","price":50.2,"currency_code":"USD","in_stock":true},{"title":"D28 M11 (120515099A) \/ 1 Pack","offer_id":67557073322284,"sku":"SPM-LAS-2106-D28M1112051509-P1","price":4.46,"currency_code":"USD","in_stock":true},{"title":"D28 M11 (120515099A) \/ 5 Pack","offer_id":67557073355052,"sku":"SPM-LAS-2106-D28M1112051509-P5","price":20.5,"currency_code":"USD","in_stock":true},{"title":"D28 M11 (120515099A) \/ 10 Pack","offer_id":67557073387820,"sku":"SPM-LAS-2106-D28M1112051509-P10","price":37.9,"currency_code":"USD","in_stock":true},{"title":"D19.5 M8 3D (120572008B) \/ 1 Pack","offer_id":67557073420588,"sku":"SPM-LAS-2106-D195M83D120572-P1","price":11.34,"currency_code":"USD","in_stock":true},{"title":"D19.5 M8 3D (120572008B) \/ 5 Pack","offer_id":67557073453356,"sku":"SPM-LAS-2106-D195M83D120572-P5","price":52.15,"currency_code":"USD","in_stock":true},{"title":"D19.5 M8 3D (120572008B) \/ 10 Pack","offer_id":67557073486124,"sku":"SPM-LAS-2106-D195M83D120572-P10","price":96.4,"currency_code":"USD","in_stock":true},{"title":"D21.4 M11 (120515092B) \/ 1 Pack","offer_id":67557073518892,"sku":"SPM-LAS-2106-D214M111205150-P1","price":5.38,"currency_code":"USD","in_stock":true},{"title":"D21.4 M8 3D (120515093A) \/ 1 Pack","offer_id":67557073551660,"sku":"SPM-LAS-2106-D214M83D120515-P1","price":12.48,"currency_code":"USD","in_stock":true},{"title":"D21.4 M8 3D (120515093A) \/ 5 Pack","offer_id":67557077418284,"sku":"SPM-LAS-2106-D214M83D120515-P5","price":57.4,"currency_code":"USD","in_stock":true},{"title":"D21.4 M8 3D (120515093A) \/ 10 Pack","offer_id":67557077451052,"sku":"SPM-LAS-2106-D214M83D120515-P10","price":106.1,"currency_code":"USD","in_stock":true},{"title":"D41 M11 (120515089A) \/ 1 Pack","offer_id":67557077483820,"sku":"SPM-LAS-2106-D41M1112051508-P1","price":62.28,"currency_code":"USD","in_stock":true},{"title":"D41 M11 (120515089A) \/ 5 Pack","offer_id":67557077516588,"sku":"SPM-LAS-2106-D41M1112051508-P5","price":286.5,"currency_code":"USD","in_stock":true},{"title":"D41 M11 (120515089A) \/ 10 Pack","offer_id":67557077549356,"sku":"SPM-LAS-2106-D41M1112051508-P10","price":529.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_1762eab3-f5e7-4fdb-8447-02240cd42d3d.jpg?v=1790894356"},{"product_id":"raytools-211lcg0020-aftermarket-protective-window-d24-9-x-1-5-mm","title":"Raytools 211LCG0020 Aftermarket Protective Window, D24.9 x 1.5 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0020. Size D24.9 x 1.5 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BD04K, BD08K, BMH109, BMH110, BMH111, BMH114, BT240. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD24.9 x 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bd04k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD04K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bd08k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD08K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bmh109-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH109\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bmh110-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH110\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bmh111-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH111\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bmh114-laser-head-parts\" style=\"text-decoration:none\"\u003eBMH114\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bt240-laser-head-parts\" style=\"text-decoration:none\"\u003eBT240\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD24.9 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003eD24.9 x 1.5 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0020\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2121)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBD04K, BD08K, BMH109, BMH110, BMH111, BMH114, BT240\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-in\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-in\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-in\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-in\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-in\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097505068,"sku":"SPM-LAS-2121-P1","price":6.14,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097537836,"sku":"SPM-LAS-2121-P5","price":28.4,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097570604,"sku":"SPM-LAS-2121-P10","price":52.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_8ff64fbd-474e-442a-878a-bfd1bc4db57d.jpg?v=1790912582"},{"product_id":"raytools-211lcg0037-aftermarket-protective-window-d27-9-x-4-1-mm","title":"Raytools 211LCG0037 Aftermarket Protective Window, D27.9 x 4.1 mm","description":"\u003cdiv style=\"font-family:Roboto,sans-serif;color:#1a1a1a;line-height:1.6\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden}.spm-h{padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spm-t th{padding:12px 10px;text-align:left;background:#f4f4f4;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #d1d1d1;color:#000}.spm-t td{padding:11px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}.spmL{font-weight:700;color:#333;background:#fcfcfc;width:38%}.spm-sub{display:block;color:#777;font-size:12.5px;margin-top:2px}.spm-chip{display:inline-block;margin:0 8px 8px 0;padding:6px 12px;border:1px solid #d1d1d1;background:#fcfcfc;font-size:14px;font-weight:700;color:#000}.spm-h2{font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin:40px 0 20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px}.spm-p{font-size:16px;line-height:1.8;margin:0 0 18px}@media(max-width:700px){.spmL{width:auto}}\u003c\/style\u003e\n\u003cp class=\"spm-p\"\u003eAftermarket protective window for Raytools laser cutting heads. Replaces Raytools 211LCG0037 (also 211LCG0039). Size D27.9 x 4.1 mm. Fused silica, anti reflection coated on both faces for 1064 nm fiber lasers.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eFits BD04K, BM109, BM110, BM111, BT210S, BT240S, BW03K. Sold in packs of 1, 5 or 10.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eTechnical Properties \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eRaytools 211LCG0037, 211LCG0039\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSize\u003c\/td\u003e\n\u003ctd\u003eD27.9 x 4.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eFused silica, AR coated both faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1064 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003ePack Options\u003c\/td\u003e\n\u003ctd\u003e1 pack, 5 pack, 10 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCompatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:20px\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;color:#333\"\u003eRaytools heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bd04k-laser-head-parts\" style=\"text-decoration:none\"\u003eBD04K\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm109-laser-head-parts\" style=\"text-decoration:none\"\u003eBM109\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm110-laser-head-parts\" style=\"text-decoration:none\"\u003eBM110\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bm111-laser-head-parts\" style=\"text-decoration:none\"\u003eBM111\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bt210s-laser-head-parts\" style=\"text-decoration:none\"\u003eBT210S\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bt240s-laser-head-parts\" style=\"text-decoration:none\"\u003eBT240S\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/en-in\/collections\/raytools-bw03k-laser-head-parts\" style=\"text-decoration:none\"\u003eBW03K\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eMatch the window size and part number in your head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eFind Your Size by Part Number\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003cth\u003eRaytools Part No.\u003cspan class=\"spm-sub\"\u003e(SPM Part No.)\u003c\/span\u003e\n\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eD27.9 x 4.1 mm\u003c\/td\u003e\n\u003ctd\u003eD27.9 x 4.1 mm\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e211LCG0037 \/ 211LCG0039\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2123)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBD04K, BM109, BM110, BM111, BT210S, BT240S, BW03K\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"spm-h2\"\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eRoutine changes\u003c\/strong\u003e\u003cbr\u003eReplace the window when it shows spatter, pitting or burn marks. A dirty window absorbs power and can crack.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eProtecting the focusing lens\u003c\/strong\u003e\u003cbr\u003eThe window keeps spatter and fume off the focusing lens above it.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eLoss of cutting power\u003c\/strong\u003e\u003cbr\u003eIf piercing slows or the kerf widens, check the protective window before changing cutting parameters.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cp class=\"spm-p\"\u003eFound this part cheaper elsewhere? Send us the listing and we will beat it under our \u003ca href=\"\/en-in\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. Every order is also covered by our \u003ca href=\"\/en-in\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow do I know this is the right window?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eCheck the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eIs it a genuine part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003e1 pack, 5 pack or 10 pack?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eIt is the same window in each. The 10 pack has the lowest price per window.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:22px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"margin:0 0 8px;font-size:15px;font-weight:700\"\u003eHow should I handle it?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eHold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-in\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-in\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-in\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How do I know this is the right window?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Check the part number on the old window's packaging or your parts list, or measure the diameter and thickness. They must match the size shown.\"}}, {\"@type\": \"Question\", \"name\": \"Is it a genuine part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket window made to the same size. The OEM part number is shown so you can match the window you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same window in each. The 10 pack has the lowest price per window.\"}}, {\"@type\": \"Question\", \"name\": \"How should I handle it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Hold it by the edge with clean gloves and keep it in its case until fitting. Clean only with lens tissue and optical alcohol.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67557097701676,"sku":"SPM-LAS-2123-P1","price":5.1,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67557097734444,"sku":"SPM-LAS-2123-P5","price":23.55,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67557097767212,"sku":"SPM-LAS-2123-P10","price":43.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm_0_724fd82b-f265-4cc4-848c-6006114486d6.jpg?v=1790912587"}],"url":"https:\/\/sparepartmart.co\/en-in\/collections\/raytools-bd04k-laser-head-parts.oembed","provider":"Spare Part Mart","version":"1.0","type":"link"}