Please rate this app after trying it out, knowing that people like and use my apps is the only thing that keeps us free app developers going. If there are things you like, or want improved please say so in the comments.


Simple tap and drill chart with nut sizes and clearance holes. Metric and US inch SAE. Shows screw/bolt size, clearance holes, tap drills and nut sizes/hex head size width across flats.

Requires no permissions.