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The SAE/Inch 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.
The Thread Checker, also known as a Thread Verifier, Thread Identifier, and Thread Check Tool is a great addition for any Home, Hobby, or Inventor's Work Shop, Auto, Motorcycle, Marine, ATV or RV Repair Shop, Heavy Equipment Repair Shop, Military Equipment Repair Station, Machine Shop, Fabricating Shop, Assembly Department, Production Department or Quality Inspection Station!
Features:
SWTC-S21 Size Specifications:
6-32, 6-40, 8-32, 10-24, 10-32, ¼-20, ¼-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, ½-13, ½-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18, ¾-10, ¾-16, 1-8, 1-12

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