Stripped or damaged threads on an M14 x 1.25 bolt hole? Don’t worry – this Helicoil-style thread repair kit from neilsen has you covered. It comes with 15 pieces (inserts and tools) to permanently fix ...

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.

We’ve all had this happen at some point while tightening hardware: It feels like it’s snugging up nicely, and then it suddenly seems to tun too easily. Or maybe you were removing stubborn hardware and ...