This app is a simple drill & tap reference guide. The interface is designed to be quick so that you can get back to your project without messing with your phone or tablet too much.

This app gives drill and tap tables for all common thread sizes including: ISO METRIC COARSE THREAD, ISO METRIC FINE THREAD, UNIFIED COARSE THREAD, UNIFIED FINE THREAD, B.S.W. THREAD, AMERICAN PIPE THREAD TAPER, AMERICAN PIPE THREAD PARALLEL, B.S.P. THREAD, B.S.P.T. THREAD, B.S.F. THREAD.

The drill and tap tables show drill letters and decimal values.