When Fitsco developed a new range of plastic threaded inserts in 2017, the company had no idea that one of the early applications to be found could see it being specified for use at 50,000 feet and ...

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 ...