Tap And Drill Chart Calculator

Greg A Miller

Google Play★ 4.5FreeFirst seen 13 Oct 2026

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App info

Installs: 100,000+
Category: Tools
Content rating: Everyone
Version: 4.2.3
Released: Jul 24, 2016
Last updated: 30 Jun 2025
In-app purchases: No
Contains ads: No
Promo video: No
Requires Android: 4.4

4.5539 ratings

5

369

4

94

3

35

2

3

1

23

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About this app

Calculate charts for various thread percentages for SAE and Metric screws

Read full description

App to calculate charts for various thread percentages for standard SAE and Metric screws. Also shows hex nut size and a diagram with the screw threads to check TPI/TPMM and screw diameter. This app requires no permissions. Please rate this app after evaluating it, it is knowing that people use and love my apps that keeps the truly free app developers producing apps.

Developer website gmiller@gregmiller.net