Drill Bit Charts

This is a very simple free app with charts for drill bits sizes in fractional inches, metric, US number, and US letter sizes. It scales to larger screens on 7" and 10" tablets for easy readability. 12/1/2013 - Added a Tap Drills for U. S. Sizes chart with drill sizes for 100%, 75%, and 50% threads as well as clearance sizes.