Nut & Bolt Thread Checker (SAE/Inch) Nut & Bolt Thread Checker: SAE/Inch: The SAE/Inch Thread Checker is an accurate and easy-to-use thread identifier for both nuts and bolts. Each individual gauge features a male threaded stud on one end and a female threaded hole on the other. The Thread Checker is especially well suited for distinguishing between similar inch and metric threads.
Simplicity in coating thickness measurement! The PHASE II PTG-3500 coating thickness gauge can perform two different methods of calculating thickness measurement by utilizing the characteristics of both eddy current and magnetic induction. Testing performance is both non-destructive and extremely accurate.
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