Thread Pitch Gauge for Working at Height Secure Tools provide a selection of thread pitch gauges for safely and conveniently working at height. A thread pitch gauge is commonly used as a reference tool for finding out the pitch of a thread on a screw or in a tapped hole. We stock thread pitch gauges with 24 and 12 blades, with each one twisting out as you need it, and safely folding away once the job is complete. Furthermore, each thread pitch gauge comes equipped with a sturdy open ring attachment, providing a fixed point of tether to help prevent dangerous tool droppages when working from height.