Drill Bit Charts Pro
Tools
Charts for drill bits sizes in various units plus tap drills and unit converter
- Rating
- 4.6
- 37 ratings
- Downloads
- 2.3K+
- on Google Play
- Price
- $1.99
- No in-app purchases
- Updated
- Mar 28
- 2025 · v1.4.4
Screenshots
About Drill Bit Charts Pro
This is a simple app with charts for drill bits sizes in fractional inches, metric, US number, and US letter sizes. It scales to larger screens on 7" and 10" tablets for easy readability.
It includes Tap Drills for U.S. Sizes chart with drill sizes for 100%, 75%, and 50% threads as well as clearance sizes. Now includes Tap Drills for Metric Sizes chart with drill sizes for 75%, and 50% threads as well as clearance sizes.
Wood Screws for U.S. sizes so you know what size of pilot and clearance holes to drill.
Added straight and tapered pipe tap drill sizes.
A simple unit converter with various common conversions is included in the Pro version.
Try out the free edition by searching for Drill Bit Charts.
Drill Bit Charts Pro is an ongoing project that will continue to get more enhancements and become available on more platforms including iPhone and iPad.
Drill Bit Charts Pro is currently available on Android and Windows 10. Drill Bit Charts is available on Windows 8.1 and Windows Phone 8.1
Features coming soon to Drill Bit Charts Pro include:
* Zooming of charts.
* Setting the font size used in the charts.
* Color themes and control of colors in charts.
* Many more charts.
* Copy to clipboard.
* Closest drill help.
* Integration with wearables like Pebble, Pebble Time, and Android Wear.
* A lot more.
It includes Tap Drills for U.S. Sizes chart with drill sizes for 100%, 75%, and 50% threads as well as clearance sizes. Now includes Tap Drills for Metric Sizes chart with drill sizes for 75%, and 50% threads as well as clearance sizes.
Wood Screws for U.S. sizes so you know what size of pilot and clearance holes to drill.
Added straight and tapered pipe tap drill sizes.
A simple unit converter with various common conversions is included in the Pro version.
Try out the free edition by searching for Drill Bit Charts.
Drill Bit Charts Pro is an ongoing project that will continue to get more enhancements and become available on more platforms including iPhone and iPad.
Drill Bit Charts Pro is currently available on Android and Windows 10. Drill Bit Charts is available on Windows 8.1 and Windows Phone 8.1
Features coming soon to Drill Bit Charts Pro include:
* Zooming of charts.
* Setting the font size used in the charts.
* Color themes and control of colors in charts.
* Many more charts.
* Copy to clipboard.
* Closest drill help.
* Integration with wearables like Pebble, Pebble Time, and Android Wear.
* A lot more.
What’s new
Version 1.4.4 · Updated March 28, 2025
1.4.4 - Changes to Welcome, Update, and Version History screens 1.4.3 - Reverted to Android version 14 due to incompetent stupid bullshit by Google 1.4.2 - Internal component updates for Android version 15 1.4.1 - Internal string updates and code cleanup 1.4.0 - Updated for Android SDK Version 21 minimum 1.2.6 - Fixed font sizes on some mid-size devices 1.2.5 - Added pipe tap drill sizes 1.2.4 - Fixed a theme issue on some new devices 1.2.2 - Wood Screws for U.S. Sizes
User reviews
Needed an app like this one for quite awhile. Easy and fast to use as well. Highly recommend this app. Saves me time when making conversions in my hobby.
Fantastic. I rarely give 5 stars. Only possible improvement I can think of would be a larger text option. old dirty, calloused hands need space for tapping on stuff.
First app I've paid for. I do a lot of woodworking and this is very handy. Any chance you can add a feature in calculators to get volume of a cylinder and cone. That is useful in calculating board feet of a log. 1 board foot is 12 x 12 x 1
Very useful, all the data in one place and does not take up much space. Great
Can't imagine life without this app! Use it every day, so handy!!!
Excellent reference for Tap & Die sets. Very helpful.
Alternatives to Drill Bit Charts Pro
Looking for apps like Drill Bit Charts Pro? Here is 1 similar Android app on Google Play.
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Drill Bit Charts Pro | 4.6 / 5 | $1.99 | 1,000+ | Mar 28, 2025 | |
| RC Calculators Pro | – | 2.99 USD | 100+ | Jan 23, 2025 | Compare |