The file 'Bolt Hobbing Tool For Lathe 3D Printer Model' is (STL) file type, size is 6.1KB.
This is a tool to make M8 hobbing bolts.
It uses two 608 bearings to hold an 8mm bolt.
The tool assumes a lathe tool holder of at least 10x10mm... I used it on my Rotwerk EDM350DR and it worked fine :)
