If the cut bolt threads acceptably, leave it alone. If not, try the bevel to see if that helps. Shear the Screw If you’re looking to cut small machine screws, using a hacksaw could be fussy and ...

Depicting the art behind cutting a bolt shorter and not damaging the threads in the process.

Last year, we saw [How To Make Everything’s] take on [DaVinci’s] machine for cutting threads. However, they stopped short of the goal, which was making accurate metal screw threads. After much ...

This article was originally published with the title “How to cut Threads Without a Screw-Cutting Lathe or Thread-Chasing Tool” in Scientific American Magazine Vol. 102 No. 16 (April 1910), p ...