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Home / Hot End and Nozzle / Mellow High-Quality CNC 3D Printer Accessories CR10 Copper Heating Block MK8 Compatible with Ender 3/5

Attributes

Brand -
Category 3D Printing Accessories / Hot End and Nozzle
Origin -
Material Copper
Compatibility CR-10, Ender-3, Ender-5
Nozzle Thread M6
Heater Cartridge 12V/24V 40W
Thermistor Hole 5mm
Surface Treatment Nickel Plated
Manufacturing Process CNC Machined
Weight 15g
Package Content 1 x Heater Block
Brand Mellow

5 reviews

A

Anonymous

Apr 14, 2026

Rating: 4/5

Good upgrade

Works well for ABS printing. Holds heat nicely. Just make sure you tighten it well.

A

Anonymous

Apr 14, 2026

Rating: 5/5

High quality CNC

You can tell this is machined well. Threads are clean and no gaps around the nozzle.

A

Anonymous

Apr 12, 2026

Rating: 5/5

Perfect replacement

Fit my Ender-3 perfectly. Heat distribution is much better than the stock aluminum block.

A

Anonymous

Mar 19, 2026

Rating: 5/5

Solved heat creep

I was having heat creep issues with my old block. This copper one solved it immediately.

A

Anonymous

Mar 14, 2026

Rating: 5/5

Fast shipping

Product arrived quickly and was exactly as described. Great addition to my CR-10.

5 FAQ

Q: Is this compatible with the Ender-3 V2?

A: Yes, this heater block is fully compatible with the Ender-3 V2 hot end assembly.

Q: What is the maximum temperature rating?

A: This copper block can safely handle temperatures up to 300 degrees Celsius.

Q: Is nickel plating necessary?

A: The nickel plating helps prevent oxidation and ensures smoother installation and removal.

Q: Does it come with a heater cartridge?

A: No, this package includes only the heater block. Cartridge and thermistor are sold separately.

Q: Will this fit a MK8 nozzle?

A: Yes, it is designed specifically for MK8 compatible nozzles with M6 threading.

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