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 ...

The dowel to be cut was loaded, and the machine ran back and forth enough times to create a very nice-looking screw thread.

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 ...

IT is possible that many who possess a screw-cutting lathe with a leading screw of so many threads to the inch may wish to use it for cutting millimetre screws. While, of course, it is too much to ...