Attributes

Brand	-
Category	Root / Basic Building Materials
Origin	-
Material	Aluminum Alloy
Compatibility	Makerbot MK7 / MK8
Brand	KINGROON
Color	Silver
Thread Size	M6
Nozzle Thread	M6 x 0.75mm
Heater Cartridge Hole	4mm diameter
Thermistor Hole	3mm diameter
Package Contents	1 x Heating Block
Weight	12 grams

6 reviews

Anonymous

Mar 29, 2026

Rating: 5/5

Reliable replacement part

My old block was stripped, and this was a direct replacement. Kingroon parts are always consistent. Highly recommend for anyone maintaining older Makerbot style printers.

Anonymous

Mar 18, 2026

Rating: 5/5

Excellent thermal conductivity

Noticed faster heat-up times compared to my worn-out original block. The aluminum seems high quality and the price is unbeatable for a single component.

Anonymous

Mar 16, 2026

Rating: 4/5

Solid construction

The machining is clean and the holes align perfectly with standard hotend components. Deducting one star only because shipping took a bit longer than expected, but the product itself is great.

Anonymous

Mar 12, 2026

Rating: 4/5

Good value, minor cleaning needed

Works well overall. Had to clean out some machining residue from the thermistor hole before inserting the sensor, but once installed, it heats evenly and maintains temperature well.

Anonymous

Mar 05, 2026

Rating: 5/5

Just what I needed

Simple, effective, and cheap. If you need a replacement heating block for an MK7 or MK8 system, look no further. It does exactly what it is supposed to do.

Anonymous

Mar 01, 2026

Rating: 5/5

Perfect fit for my upgrade

This heating block fits perfectly on my MK8 setup. The aluminum quality feels solid and the threading is precise. No leaks or alignment issues during installation.

5 FAQ

Q: How do I install the thermistor correctly?

A: Insert the thermistor into the 3mm hole and secure it with a small amount of high-temperature thermal paste to ensure accurate readings, then tighten the set screw gently.

Q: Is this compatible with E3D V6 hotends?

A: No, this block is specifically designed for Makerbot MK7 and MK8 style print heads. The dimensions and threading differ from the E3D V6 system.

Q: Does this come with screws or a nozzle?

A: This listing is for the heating block only. Nozzles, screws, heater cartridges, or thermisters are sold separately unless specified in a bundle kit.

Q: Can I use this with a 12V heater cartridge?

A: Yes, the block itself is passive and works with any voltage heater cartridge (12V or 24V) as long as the cartridge diameter is 4mm.

Q: What is the maximum temperature this block can handle?

A: The aluminum alloy used can easily withstand standard 3D printing temperatures up to 300°C, which covers PLA, ABS, PETG, and Nylon filaments.

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