We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › If a screw head becomes damaged or stripped, it can be very difficult to remove.

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 ...

Roy Underhill shows how to use an 1889 foot-driven metal working lathe. Make your own darn metal screws with this 1889 foot-powered lathe! Roy shows how to cut perfect threads, cones and tapers in ...

Self-tapping screws are also one of the most important tools at home as well as in metalwork. These distinctive characteristics allow them to create threads in the material, which minimizes the need ...