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.

Portland, Ore. — C-sert LLC officials say stripped platen bolt holes can be a thing of the past with their line of patented threaded inserts. Frequent mold changes and production pressures can lead to ...

Few things disturb us more than the bewilderment of a broken bolt or seized pipe plug in a casting. You’re at a loss for how to get the darned thing out. This is when you have to slow down and come up ...