Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...

When people are designing lightweight products, or repairing a worn-out thread, a dependable fastening tool can make a big difference. This is where self tapping threaded inserts can come into play.

Fasteners--nuts and bolts. You can never find the size and grade you need at the auto store, and you can't fire stripped ones out of a blunderbuss into your neighbor's golden plastic yard orb. You can ...