Jam Handy! Provides a detailed overview of the process of cutting screw threads on a lathe. It explains the different types of screw threads, the importance of precision in machining, and outlines the ...

The diameter of a thread milling cutter is smaller than the drilled hole, and the cutter turns in an elliptical orbit to reduce cutting torque when compared with machine tapping. One of the most ...

A new machine promises to thread bolts in one pass. Recently unveiled by Rebuilders Unlimited Machine Co. Inc. (RUMC), Waynesboro, Pa., the R-UMatic Thread Cutting Machine takes advantage of GE ...

Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...