This is a fully CNC machined brass component designed to replace the original hobbed bolt that is used in several designs of Reprap extruder.

Overall Length: 60mm

Position of drive groove: 25mm from end

Diameter of straight section: 8mm

Diameter at drive groove: 6.35mm

Thread M8 x 16mm long

Accessories: 2x M8 plain nuts, 2x M8 washers, 2x M8 Nylock nuts

This will work with both 3mm or 1.85mm filament.