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.

KVT-Fastening offers a comprehensive range of threaded inserts Tappex, Filtec+, Lockfil+, Kato, Fasteks and Keenserts: threaded inserts for highly reliable threaded fastenings in lightweight ...