Upgrade your 3D printer’s hotend with a six‑piece set of CNC‑machined aluminum heater blocks built for dependable, precise heat transfer. Designed to fit MakerBot MK7/MK8 extruders and Creality platforms like Ender 3 (including Pro) and CR‑10/CR‑10S (S4/S5), these blocks deliver consistent performance across demanding print jobs.

Key features

• CNC machined solid aluminum heater blocks deliver stable, repeatable heat transfer for reliable extrusion.
• Working temperature up to 280°C supports high‑temp materials and longer print runs.
• Compact dimensions: 20 x 20 x 10 mm (0.79 x 0.79 x 0.39 in); weight ~45 g per block.
• Inner screw holes for fixing screws: M6 and M3 (for heat pipe and thermocouple) with dedicated heat pipe mounting hole (6 mm) and thermocouple mounting hole (3 mm).
• Color options: Gold or Silver (color may vary slightly due to lighting and manufacturing).
• Six blocks included in the selected color set.

Compatibility

• MakerBot MK7 and MK8 extruders
• Creality Ender 3 and Ender 3 Pro
• CR‑10 and CR‑10S series (including S4/S5)

Specifications

• Product name: Aluminum alloy CR10 heating block
• Material: Aluminum alloy
• Product color: Gold or Silver (optional)
• Product weight: 45 g
• Product size: 20 x 20 x 10 mm (0.79 x 0.79 x 0.39 in)
• Inner hole for fixing screws: M6 and M3 (heat pipe and thermocouple)
• Heat pipe mounting hole: 6 mm (0.24 in)
• Thermocouple mounting hole: 3 mm (0.12 in)
• Note: Color may differ due to monitor/light; please allow 1–2 mm measurement deviation due to manual measurement.

What’s included

• Gold: 6 X Heating Aluminum Block
• Silver: 6 X Heating Aluminum Block