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A pack of 10 copper D28 high speed laser cutting nozzles in the Raytools D28-H15-M11 format: 28 mm outer diameter, 15 mm height and an M11 x 0.75 thread, with the high speed tip profile Raytools uses on this series. They replace Raytools 120AU35xxA single layer and 120AU36xxA double layer nozzles for the BT220, BM114, BM115 and BS06K heads, and each bore is listed against its Raytools part number below.
Machined from copper with a concentric bore. D28 x H15 x M11 is also the Precitec HP1.5 inch and WSX nozzle size.
Single layer for oxygen cutting of carbon steel, double layer for nitrogen or air cutting of stainless steel and aluminium. Sold in packs of 10.
| Pack Quantity | 10 nozzles, all the same layer and bore |
| Profile | High speed tip, the Raytools 120AU series profile |
| Outer Diameter | 28 mm (1 3/32") |
| Height | 15 mm (19/32") |
| Thread | M11 x 0.75 |
| Material | Copper (high conductivity) |
| Layer | single layer or double layer |
| Bore Sizes | 0.8 mm to 6 mm (17 sizes) |
| Part Numbers | Raytools 120AU3508A, 120AU3510A, 120AU3515A and more (see table) |
Raytools cutting heads
Heads that use the D28-H12-M11 ceramic (Raytools 120515099A) and take the D28-H15-M11 nozzle. Check the nozzle currently fitted if unsure.
Same nozzle size, other brands
D28 x H15 x M11 is a shared industry size, so the same nozzle also fits these heads.
| Bore | Single LayerRaytools no. (SPM no.) | Double LayerRaytools no. (SPM no.) |
|---|---|---|
| 0.8 mm | 120AU3508A(SPM-LAS-2110-S08) | Not stocked |
| 1.0 mm | 120AU3510A(SPM-LAS-2110-S10) | 120AU3610A(SPM-LAS-2110-D10) |
| 1.2 mm | Not stocked | 120AU3612A(SPM-LAS-2110-D12) |
| 1.5 mm | 120AU3515A(SPM-LAS-2110-S15) | 120AU3615A(SPM-LAS-2110-D15) |
| 2.0 mm | 120AU3520A(SPM-LAS-2110-S20) | 120AU3620A(SPM-LAS-2110-D20) |
| 2.5 mm | 120AU3525A(SPM-LAS-2110-S25) | 120AU3625A(SPM-LAS-2110-D25) |
| 3.0 mm | 120AU3530A(SPM-LAS-2110-S30) | 120AU3630A(SPM-LAS-2110-D30) |
| 3.5 mm | 120AU3535A(SPM-LAS-2110-S35) | 120AU3635A(SPM-LAS-2110-D35) |
| 4.0 mm | 120AU3540A(SPM-LAS-2110-S40) | 120AU3640A(SPM-LAS-2110-D40) |
| 4.5 mm | Not stocked | 120AU3645A(SPM-LAS-2110-D45) |
| 5.0 mm | 120AU3550A(SPM-LAS-2110-S50) | 120AU3650A(SPM-LAS-2110-D50) |
Carbon steel, oxygen
Use 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.
Stainless steel and aluminium, nitrogen or air
Use double layer nozzles. Larger bores are used on thicker material where more gas is needed.
Poor cut quality
Dross, 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.
Height sensing faults
The nozzle is part of the capacitive height sensor. A worn or loose nozzle causes height alarms.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| LaserThings (pack of 10) | USD 25.35 | 5 Oct 2026 |
| Quality Laser Supply (pack of 10) | USD 35.00 | 6 Oct 2026 |
| Spare Part Mart (pack of 10) | USD 20.32 | Today |
Our price of USD 20.32 is 20% to 42% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Heads that use the D28-H12-M11 ceramic (Raytools 120515099A) and take the D28-H15-M11 nozzle. Check the nozzle currently fitted if unsure.
No. It is an aftermarket nozzle made to the same 28 x 15 mm, M11 dimensions. Raytools part numbers are listed so you can match your existing nozzle.
10, all the same layer and bore size you select. Nozzles are only sold in packs of 10.
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.
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.
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.
Yes. Shipping options and costs for your country are shown at checkout.
Prices depend on your postcode.
In USD for the quantity selected. The exact cost is confirmed at checkout.
