Threading Calculator

Threading Calculator calculates the thread dimensions for External and Internal Unified, Acme, Metric and Metric Trapezoidal screw threads. It also calculates the cnc feed rates and cnc spindle speeds for various metals. It also calculates the wire size to use in thread pitch 3 wire thread measuring. Also it calculates the measurements over thread wires when checking the thread pitch diameters. Tap drill sizes are also calculated.