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.
Description
Mellow High-Quality CNC 3D Printer Accessories CR10 Copper Heating Block MK8 Compatible with Ender 3/5
Reviews
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: 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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