We have all done it, overtightened a bolt and blown out the threads. When a bolt starts to tighten up and then go suddenly loose, you know that the threads are toast and now you have a problem.

Impulse heat staking simplifies installation of brass inserts by generating heat only when needed and keeping the cycle consistent from part to part. Real-time depth verification adds straightforward ...

This article was updated May 25, 2023. It was originally published Nov. 17, 2009. To put hard, durable threaded holes in plastics, engineers often specify threaded metal inserts that will securely ...