Quickly and easily calculate the dimensions of Acme Screw Threads including the Major Diameter, Minor Diameter, Pitch Diameter, Tap Drill Sizes, Measurement across wires for 3 wire thread pitch diameter measuring and even feed rates. 1/4-16 through 5-2 Acme Threads are supported! Both General Purpose Acme Threads and Stub Acme Threads are Supported! Also both OD and ID threads are supported. This is a great app for Machinists, CNC Machinists, CNC Programmers, Machine Shops and QC Inspectors!