Threads: Tables n´ Drill Sizes

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About this app

This app is designed for workshop use and machining work. It includes the most commonly used thread tables and the recommended drill size for proper manufacturing.

Included tables:
• Metric Thread (ISO)
• Whitworth Thread: BSW – BSF – BSP – BSPT
• American Thread: UNC – UNF – NPT

Each table shows the pitch, major diameter and the recommended drill size for each thread type.

The app includes measurements in inches and millimeters, depending on the selected standard.

It also includes useful workshop calculation tools:
• Pitch converter (mm ↔ TPI)
• Inches ↔ millimeters converter
• Recommended drill size calculator

A practical, fast and reliable tool for machinists, mechanics, technicians and hobbyists working with different thread types.
Thread tables and drill sizes. Metric, Whitworth and American.
Updated on
Aug 4, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App activity, App info and performance, and Device or other IDs
  • This app may collect these data types
    App activity, App info and performance, and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted
Content rating
Everyone
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App support

About the developer
CLAUDIO MIGUEL DI LEO
nryapps@gmail.com
Huemul 83 B1765 Isidro Casanova Buenos Aires Argentina

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