MK8 Filament Drive Gear Pulley for RepRap 3D Printer

MK8 Filament Drive Gear Pulley for RepRap 3D Printer

Mk8 Drive Gear designed for use in filament extruder of 3D Printer, it can be used for direct drive extruders based on NEMA 17 stepper motors, as well as geared steppers equipped with 5mm drive shaft.

Mk8 drive gear has advantage over Mk7 drive gear – it pushes filament with more force due to smaller diameter.

This filament gear has very sharp teeth created with special instrument.
Drive gear parameters:

    Bore size: for 5mm diameter shaft (NEMA 17 Steppers)
    Effective driving diameter: 7mm
    Outer diameter: 9mm
    Length: 11mm