Thread Chart: Tap Drill & CNC
Thread Sizes & Tap Drills
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Find thread sizes, tap drill dimensions, pitches, and CNC threading data quickly. A practical reference tool for machinists, engineers, and fabricators.
Thread Chart: Tap Drill & CNC is a professional reference and calculation tool designed for machinists, CNC operators, engineers, fabricators, mechanics, and manufacturing professionals.
Quickly find common thread specifications, tap drill sizes, thread pitches, and machining information without carrying printed charts. Use the app as a convenient on-the-job reference for thread selection, drilling, tapping, and CNC machining tasks.
Key Features:
• Comprehensive thread size reference
• Tap drill size lookup
• Metric and Imperial thread support
• Thread pitch information
• Major, minor, and pitch diameter references
• CNC threading calculation tools
• Internal and external thread information
• Fast search and easy filtering
• Clear, shop-friendly interface
• Useful for machining, fabrication, and engineering
Perfect For:
• CNC Machinists
• Machine Shop Professionals
• Engineers
• Fabricators
• Mechanics
• Manufacturing Technicians
• Engineering Students
• DIY Machining Enthusiasts
Keep essential thread and tap drill information at your fingertips with Thread Chart: Tap Drill & CNC.
in-app purchase included
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The developer, Sachinbhai Surani, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Sachinbhai Surani
- Size
- 52.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Lifetime Premium $14.99
- Copyright
- © 2026