Drill Bit Charts for Android APK Download
2016 1 10 nbsp 0183 32 The description of Drill Bit Charts App 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 quot and 10 quot 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