Tap, Drill and Nut Chart app icon

Tap, Drill and Nut Chart

Simple tap and drill chart with nut sizes and clearance holes. Metric and US.

Greg A Miller · com.principiaprogramatica.tapanddrillchart

Not rated yet 10K+ downloads v3.0 20.8 KB Android 4.0+ PEGI 3 · Everyone

Download APK 20.8 KB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v3.0 (7)
Updated
Sep 18, 2025 (1 year ago)
APK size
20.8 KB
Requires
Android 4.0+ (API 14)
CPU support
Any (no native code)
Category
Tools (app)
Listed since
May 16, 2023 (at least)
Website
principiaprogramatica.com
Developer contact
[email protected]

About this APK

Tap, Drill and Nut Chart is an app by Greg A Miller in the Tools category, listed since at least May 2023. It has no native code, so it runs on any Android processor.

Description

From the listing uploaded by “appupdater”.

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.

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Sep 18, 2025.
  • Certificate issued to “Principia Programatica” This is the certificate of the Google Play version.

Store checks and file details

  • Developer signature verified Sep 18, 2025
  • Validated against Google Play Sep 18, 2025
  • Signed byCN=Greg Miller, O=Principia Programatica, L=Louisville, ST=KY
  • Signing certificate (SHA-1)1C:B4:B7:7E:36:8B:90:F6:F8:A6:86:5D:FE:0A:42:3E:DC:BC:BE:CE
  • File MD562757d90a878bdc51e69ed7eb5fec029
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Required hardware & features

Tap, Drill and Nut Chart APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Tap, Drill and Nut Chart APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 62757d90a878bdc51e69ed7eb5fec029.

Tags

principiaprogramatica tapanddrillchart tools

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