{"product_id":"boci-y-z-c0034-aftermarket-ceramic-nozzle-holder-d41-x-h34-mm-m11","title":"BOCI Y.Z.C0034 Aftermarket Ceramic Nozzle Holder, D41 x H34 mm, M11","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 ceramic nozzle holder for BOCI (Bochu) 2D fiber laser cutting heads. Replaces BOCI Y.Z.C0034, the white D41 ceramic body with the M11 x 0.75 nozzle thread.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eThe ceramic sits at the bottom of the head between the nozzle connector and the nozzle. It insulates the nozzle so the capacitive height sensor can read the gap to the sheet, and it is the part designed to break first in a collision. It is 41 mm across the top flange and 34 mm high, with a stainless thread insert for M11 x 0.75 nozzles.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003eIt fits the BOCI BLT310, the BLT4 series (BLT421, BLT441, BLT461, BLT481) and the BLT6 series heads that use the D41 ceramic. 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\u003eBOCI Y.Z.C0034 (C0034)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eTop Diameter\u003c\/td\u003e\n\u003ctd\u003e41 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e34 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eNozzle Thread\u003c\/td\u003e\n\u003ctd\u003eM11 x 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eColour\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eTechnical ceramic with stainless steel thread insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eUse\u003c\/td\u003e\n\u003ctd\u003e2D sheet cutting heads\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\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eStat. HS-Code\u003c\/td\u003e\n\u003ctd\u003e846693\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\"\u003eBOCI cutting heads\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ca class=\"spm-chip\" href=\"\/collections\/boci-blt310-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT310\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/collections\/boci-blt421-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT421\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/collections\/boci-blt441-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT441\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/collections\/boci-blt461-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT461\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/collections\/boci-blt481-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT481\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/collections\/boci-blt642h-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT642H\u003c\/a\u003e\u003ca class=\"spm-chip\" href=\"\/collections\/boci-blt6102h-laser-head-parts\" style=\"text-decoration:none\"\u003eBLT6102H\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#666;margin:0 0 18px\"\u003eBOCI 2D cutting heads with the D41 ceramic, as listed by BOCI parts suppliers for Y.Z.C0034. The black D41 ceramic (DY.C.A0005AA) is a different part.\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\u003eBOCI 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\"\u003eD41 x H34 mm, M11\u003c\/td\u003e\n\u003ctd\u003eD41 x H34 mm, M11\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eY.Z.C0034\u003c\/strong\u003e\u003cspan class=\"spm-sub\"\u003e(SPM-LAS-2242)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBLT310, BLT421, BLT441, BLT461, BLT481, BLT642H, BLT6102H\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\u003eAfter a head collision\u003c\/strong\u003e\u003cbr\u003eA crash into a tipped up part usually breaks the ceramic first, which protects the rest of the head. A spare on the shelf gets the machine cutting again within minutes.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eHeight sensing faults\u003c\/strong\u003e\u003cbr\u003eA cracked ceramic, a loose thread or a burned contact pin upsets the capacitive height control, so the head hunts, stops with a sensor alarm or touches the sheet. Replace the ceramic before chasing the sensor.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003eNozzle will not centre or sit square\u003c\/strong\u003e\u003cbr\u003eA worn or damaged thread in the ceramic lets the nozzle sit off centre, which shows as uneven cut quality in different directions.\u003c\/p\u003e\n\u003cp class=\"spm-p\"\u003e\u003cstrong\u003ePlanned maintenance\u003c\/strong\u003e\u003cbr\u003eCheck the ceramic at every nozzle change and replace it when it is chipped, cracked, discoloured or loose.\u003c\/p\u003e\n\u003ch2 class=\"spm-h2\"\u003ePrice Comparison\u003c\/h2\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003ePrices for the Same Ceramic (1 piece)\u003c\/div\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSeller\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003cth\u003eChecked\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eeBay, aftermarket (cheapest, 'BOCI Laser Cutting Ceramic Ring Body D41M11')\u003c\/td\u003e\n\u003ctd\u003eUSD 16.59\u003c\/td\u003e\n\u003ctd\u003echecked 4 Oct 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCloudray, aftermarket (BOCI Laser Cutting Ceramics D41 H34 M11)\u003c\/td\u003e\n\u003ctd\u003eUSD 27.00\u003c\/td\u003e\n\u003ctd\u003echecked 4 Oct 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Part Mart (aftermarket)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUSD 13.27\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ethis page\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spm-p\"\u003eCompared with other aftermarket sellers of the same ceramic, our single piece price is 20% to 51% less. Prices are in US dollars for one piece, as listed on the date shown. The 5 and 10 packs cost less per piece.\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=\"\/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=\"\/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\"\u003eIs this the black D41 ceramic?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. This is the white D41 ceramic, BOCI Y.Z.C0034. BOCI also makes a black D41 ceramic, DY.C.A0005AA, with a wider lower body. Check the colour and number of the ceramic 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\"\u003eIs this a genuine BOCI part?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eNo. It is an aftermarket ceramic made to the same size and thread. It is not made by or affiliated with BOCI (Bochu); the BOCI part number is shown only so you can match the part 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 ceramic in each. The 10 pack has the lowest price per piece and suits shops that crash a head now and then or run several machines.\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\"\u003eDoes it need calibrating after fitting?\u003c\/h4\u003e\n\u003cp style=\"margin:0;font-size:14px;line-height:1.7;color:#333\"\u003eYes. After changing the ceramic, fit the nozzle, run the capacitive height sensor calibration on the controller and check the nozzle centring before cutting.\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, and every order is covered by our \u003ca href=\"\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30 day money back guarantee\u003c\/a\u003e and \u003ca href=\"\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003eprice beat guarantee\u003c\/a\u003e.\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=\"\/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=\"\/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=\"\/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\": \"Is this the black D41 ceramic?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This is the white D41 ceramic, BOCI Y.Z.C0034. BOCI also makes a black D41 ceramic, DY.C.A0005AA, with a wider lower body. Check the colour and number of the ceramic you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"Is this a genuine BOCI part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is an aftermarket ceramic made to the same size and thread. It is not made by or affiliated with BOCI (Bochu); the BOCI part number is shown only so you can match the part you are replacing.\"}}, {\"@type\": \"Question\", \"name\": \"1 pack, 5 pack or 10 pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is the same ceramic in each. The 10 pack has the lowest price per piece and suits shops that crash a head now and then or run several machines.\"}}, {\"@type\": \"Question\", \"name\": \"Does it need calibrating after fitting?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. After changing the ceramic, fit the nozzle, run the capacitive height sensor calibration on the controller and check the nozzle centring before cutting.\"}}, {\"@type\": \"Question\", \"name\": \"Do you ship worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Shipping options and costs for your country are shown at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"1 Pack","offer_id":67563662475564,"sku":"SPM-LAS-2242-P1","price":13.27,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":67563662508332,"sku":"SPM-LAS-2242-P5","price":64.36,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":67563662541100,"sku":"SPM-LAS-2242-P10","price":126.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/d41_1.jpg?v=1791080341","url":"https:\/\/sparepartmart.co\/products\/boci-y-z-c0034-aftermarket-ceramic-nozzle-holder-d41-x-h34-mm-m11","provider":"Spare Part Mart","version":"1.0","type":"link"}