3-Wire Thread Measuring System

The External Supermicrometer Model C is the industry standard, 3-Wire Thread Measuring System.  If you're looking for a direct-reading bench micrometer and an electronic size comparator for use in the calibration laboratory or on the production floor, look no further, the third-generation External Supermicrometer Model C provides durability, digital accuracy, speed of measurement, and range of applications.  The Supermicrometer is the most popular bench micrometer in the world that can measure just about any manufactured precision OD part or gages such as pins, plugs, and threads including API, NPT, NPTF, Dryseal, BSPP, BSPT, UN (Unified), M Profile (Metric), ACME, Buttress, UTS, UNC, UNF, UNEF, UNS, BSW (Whitworth), BA, BSC, BSF, BSP, to name a few.