Hobbed M8 Bolt for Wade's Extruder
Hobbed Bolt M8 for Wade's Extruder includes: washers M8 - 2 pcs, nuts M8 - 2 pcs and Hobbed Bolt M8x65 - 1 pc.
The Hobbed Screw for Greg Wade's Step Extruder. It is suitable for the Wade's and similar extruder designs. The hobbed bolt is used to push the filament into the nozzle and has strong driving force. There are two depth teeth, one is hollow 0.5mm and the other deeper 1mm