Hardened Steel MK8 Nozzles

In stock
Regular price $8.00

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Hardened steel MK8 extruder nozzle fits 1.75mm filament. High-temperature carburizing and hard-forming thermoformed steel, good wear resistance, and heat resistance. With the advantage of both high toughness and hardness, the overall hardness of the nozzle is 50 HRC and the surface hardness is 55-60 HRC, long service life. Because of its good performance, available for most high-temperature 3D printer filaments of carbon fiber, fiberglass, etc.

These MK8 nozzles work on Anet A8, Kingroon KP3S, Creality Ender 3 V2, Ender 3 Pro, CR-10 3D printers, etc.


Nozzle Type: MK8
Material: hardened steel
Nozzle Size: 0.4mm / 0.2mm / 0.3mm / 0.5mm / 0.6mm / 0.8mm / 1.0mm
Compatible Filament: 1.75mm
Thread: M6
Size: 7*6*13mm
Weight: 3g
3D Printer Nozzle Performance Comparison
Type Thermal Conductivity (W/m.k) Hardness
Maximun Printing Temp Coefficent of Thermal
Expansion (µm/m.℃)
Applicable Materials
Brass Nozzle 105 3.0 300 18.0 PLA, ABS, TPU, PA, PETG, etc.
Stainless Steel Nozzle 17 5.0 350 6.0 Food, Pills, etc.
Copper Plated Nozzle 330 6.0 500 16.7 PEEK, PEL, Carbon Fiber, Fiberglass, Wood Fiber, Metal Fiber, etc.
Hardened Steel Nozzle
(Blackened / Nickel Plated)
22 7.8 450 8.0
Hardened Stainless Steel Nozzle 22 8.0 450 6.0
Ruby Nozzle 18 9.0 550 5.3 For All Materials