Bolt Hobbing Tool
Published on August 13, 2010
This thing was Featured on August 14, 2010
I designed this tool to help me hob a toothed channel in a drive bolt for a wade's extruder. I've printed one, and used it successfully.
Print at 100% infill, clean any plastic fuzz, press two 608 bearings into the channels, clamp in lathe tool holder, insert a bolt, and hob!