Screw Checker, Large Metric, PEC

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Screw checkers made by Product Engineering Corporation (PEC) made in the US are the industrial standard for precision and durability. Made from a high-quality chrome-plated carbon steel which offers superior wear resistance and long-lasting, crisp graduations. Fully hardened, tempered and etched with precision. Screw checkers provide a quick way to measure standard threads. They provide all the information you need for screws; diameter, length, threads per inch, hole size and even tap drill sizes. Show more