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Home / Hot End and Nozzle / 3D Printer MK8 Hardened Steel Nozzle Mold Steel Extruder E3D Hardened Steel Print Head High Wear Resistance M6 Thread

Attributes

Brand -
Category 3D Printing Accessories / Hot End and Nozzle
Origin -
Material Hardened Steel
Thread Type M6
Nozzle Diameter 0.4mm
Compatibility E3D V6, MK8 Hotends
Max Temperature 450°C
Total Length 22mm
Outer Diameter 6mm
Surface Treatment Nickel Plated
Hardness Rating HRC 50-55
Package Quantity 5 Pieces

5 reviews

A

Anonymous

Mar 26, 2026

Rating: 5/5

Fits perfectly

No leaks on my V6 hotend. Easy to install and tightens well.

A

Anonymous

Mar 10, 2026

Rating: 4/5

Solid choice

Great value pack. One nozzle had minor threading issues but others were fine.

A

Anonymous

Feb 26, 2026

Rating: 5/5

Perfect for Carbon Fiber

No wear after 500g of abrasive filament. Highly recommend for anyone printing composites.

A

Anonymous

Feb 05, 2026

Rating: 5/5

Durable upgrade

Stopped my nozzle from stripping after multiple changes. Very robust threading.

A

Anonymous

Jan 26, 2026

Rating: 4/5

Good but heats slower

Steel conducts less heat than brass, needed slight temp adjustment. Otherwise works great.

5 FAQ

Q: Will this fit an Ender 3 Pro?

A: Yes, it uses the standard MK8 thread found on Ender 3 printers.

Q: Is it glued or threaded?

A: It is threaded M6, no glue required for installation.

Q: Do I need to change temp settings?

A: We recommend increasing temperature by 5°C compared to brass nozzle settings.

Q: What is the inner diameter?

A: This listing is for the 0.4mm size. Other sizes may be available separately.

Q: Can I print PLA with this?

A: Yes, compatible with all common filaments including PLA, PETG, and ABS.

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