ThreadKing
ThreadKing provides all the information you need for metric/UN taps, course/fine threads, thread dimensions, drill sizes for cutting/forming taps, and much more.
Features
- Drill/tap chart available in drill size standards: fractional, letter, wire gauge and metric
- Course and fine thread
- Pipe thread chart
- Cutting tap calculator based on thread percentage
- Forming tap calculator based on thread percentage
- Cut tapping RPM and feed rate calculator: RPM, IPR, IPM
- Thread dimension information: major dia, pitch dia, minor dia, pitch, thread height, threads per inch
- Formula and equations for reference