Fasteners for a lasting, firm hold
Thread pitch and count
Thread pitch and count: As a general rule, the steeper the thread pitch and the lower the thread count, the faster you can drive a screw. However, such screw designs demand more torque, placing more stress on tools and users, and increasing the chance of snapping screws and stripping heads. One screw, has a secondary set of threads inside the main threads that reduces the torque demand on the drill and the need for predrilling, particularly with softer woods. (right)
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