Repairing and connecting large square thread bolts is a crucial skill for many industries, particularly in manufacturing, construction, and heavy machinery repairs. This video demonstrates how to ...

Tired of struggling with damaged nuts and screws? This steel hardening technique, rarely taught in schools, reveals how to make a sharp spiral tap at home for quick repairs. The process uses a simple ...

The bolt extractor is a left-handed coarse thread tool that screws into the hole as shown. Carefully turn counterclockwise and attempt to remove the broken fastener.