DIYer Bruno Martini needed a tool to precision cut metal for a CNC mill that he was building. Rather than buy a new set of tools or an expensive machine to get the job done, he decided to make a ...
1. When cutting a bolt to length, first thread a nut onto the length you plan to keep. After hacksawing away the waste, unthread the nut to restore the thread shape at the cut end. Then use a file or ...