Vermont4-80 Tpi 60 Deg Thread Wire Library

Features: Tolerance (+/-.000010″) of calibrated nominal diameter (+/-.000020″) of nominal best wire diameter Tool Steel; 59/64 Rc 2″ long 2 micro-inch finish Within .00001″ round 100% inspected ASME B89.1.17 Certificate of Accuracy included Thread Measuring Wires, used together with a micrometer, are used to quickly and accurately measure pitch diameters of external threads. They are perfect for calibrating or checking wear on thread plug gages and can be used to monitor and control pitch diameters of manufactured threads. Pitch 1.25 Nominal Best Wire Diameter (mm.) .7217 Nominal Constant (mm.) 1.0825