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 ...

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 ...

Historically, the threading of holes has been a fairly straightforward operation, usually performed close to the end of a part’s machining. Once the holes had been drilled, thread taps of the ...

When accuracy counts, thread grinding shines. It may not be a new twist, but thread grinding is still one of the most accurate ways to produce internal and external threads. While single- and multiple ...