These filament gears are equipped with 2 x set screws to grip shaft firmly. Bore diameter is 5mm, compatible with NEMA 17 stepper motors.Gear Specs:
- Filament driving diameter (outer diameter): 11mm
- Length: 11mm
- Material: Brass C360
- Bore diameter: 5mm
- 1 x Brass Filament Drive Gear 5mm Bore for NEMA 17 steppers.