S&W Thread Checker – SWTC-S21

The Thread Checker is an accurate and easy-to-use thread verifier for both nuts and bolts. Conveniently assembled onto a wire loop, it is especially well suited for distinguishing between similar inch and metric threads.

Features:

• Each size has a nut and bolt checker on the same gauge
• Thread sizes are permanently stamped onto each gauge
• Inch gauges are clear zinc plated, metric gauges are black oxide
• Wire cable with loop for convenient hanging.

Set No. SWTC-S21
6-32, 6-40, 8-32, 10-24, 10-32, -20, -28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, -13, -20, 5/8-11, 5/8-18, -10, -16, 1-8, 1-12

See all S&W Thread Checker Sets