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 ...

Wood fastening is at the heart of all woodworking and construction work. Much of this functionality is due to the design of ...

This file type includes high-resolution graphics and schematics when applicable. This visual interpretation of thread drunkenness represents the unwinding of the ...