Hobb-Goblin Drive Gear
Inside Diameter: 8mm
For 3mm or 1.75mm filament diameter
E3D filament drive gear made from premium stainless steel.
Manufactured on a synchronised CNC process for a sharp, consistent, and clean cut tooth profile that has incredibly good grip.
These are a great match for NEMA17 geared stepper motors with 8mm shafts to create high performance extruders.
Attaches to a 8mm motor shaft with an included M3 Set Screw.
Extruder & Hotend