What's New

Fixed minor display issue

App Description

ThreadKing is the ultimate reference and calculator for threads.

It contains all the information for Metric and UN Taps, Fine/Course Threads, Drill/Tap sizes, Pipe Tap sizes, and Thread Dimension.

ThreadKing is also a handy calculator for finding the right drill size in Cutting Tap and Forming Tap based on Thread Percentage. Besides, it calculates RPM and feed rates in Cutting Tap for different materials

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
- Thread Dimension Information: Major Dia, Pitch Dia, Minor Dia, Pitch, Thread Height, Threads per Inch
- Formular and Equations for Reference

iPhone Screenshots

(click to enlarge)

ThreadKing screenshot 1 ThreadKing screenshot 2 ThreadKing screenshot 3 ThreadKing screenshot 4 ThreadKing screenshot 5

App Changes

  • January 17, 2016 Initial release
  • January 24, 2016 New version 1.1
  • January 24, 2016 Price decrease: $0.99 -> FREE!
  • February 13, 2016 Price increase: FREE! -> $0.99
  • March 13, 2016 Price decrease: $0.99 -> FREE!
  • September 16, 2023 New version 1.3