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.

The bolts holes are stripped and damaged on this Caterpillar D9T Bulldozer transmission cover! Someone has also tried to repair one of the holes using a self tapping thread repair insert but the hole ...

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 ...

A bloody hand streaks through the air, discharging the offending 1/2-inch-drive ratchet into an excursion through the garage wall. The only thing more piercing than the pain is the howl of agony that ...