Self-tapping screws are designed to create their own threads as they are driven into masonry. Unlike other fasteners, contractors do need to drill a hole or tap threads in a separate step. This ...

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 ...

Several schemes are available to calculate torque in motion control, quality control, and test applications. Most are based on indirect measurements and are of limited value. Torque sensors, by ...