Description
The V6 J-Head Aluminium Heater Block is an essential component of a compatible 3D printer hotend assembly. Made from aluminium alloy, it holds the nozzle, throat tube, heater cartridge, and temperature sensor in their designated positions to support reliable hotend operation.
The block features M6 threaded holes for installing the nozzle and throat, a 6mm heater cartridge mounting hole, and a 3mm thermistor mounting hole. An M3 screw hole is provided to help secure the temperature sensor, while the included M3 set screw can be used where compatible with the assembly.
Its compact design makes it suitable for DIY RepRap, MakerBot, and other compatible 3D printer projects. Please check the dimensions and mounting requirements of your hotend before ordering.
Features
- Made from lightweight aluminium alloy.
- Compatible with supported MK7/MK8 and selected V6/J-Head hotend configurations.
- M6 threads for nozzle and throat installation.
- Dedicated hole for a 6mm heater cartridge.
- Thermistor mounting hole for temperature sensing.
- Compact design for easy integration into compatible hotends.
Specifications
- Product Type: 3D Printer Heater Block
- Model Compatibility: MK7 / MK8 and selected V6/J-Head assemblies
- Material: Aluminium Alloy
- Dimensions: Approximately 20 x 20 x 10–12mm (confirm exact version)
- Nozzle Thread: M6
- Throat Thread: M6
- Heater Cartridge Hole: Approximately 6–6.1mm
- Thermistor Hole: 3mm
- Set Screw Thread: M3
- Color: Silver
- Weight: Approximately 9g
- Application: RepRap, MakerBot, and compatible 3D printers
Package Includes
- 1 x Aluminium Heater Block
- 1 x M3 Set Screw (as listed)
Note: Dimensions vary slightly across the supplied specifications. Confirm the exact block size and hotend compatibility before purchasing.







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