Drill Calc2.5 - App Store
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Publisher Description
Need to find the right drill bit size for a hole? Drill Calc calculates the correct drill bit size to use for threaded holes, based on the bolt (tap) diameter and thread pitch and percentage, for both inch and metric threads. Close and tight fit hole sizes for many popular drill sizes are also displayed.
It also has tables of standard inch fractional and numeric drill bit sizes, as well as complete information for various pipe sizes. There is also detailed information about the commonly used sizes of wood screws.
Buy your copy of Drill Calc today, and put away your drill chart.
Version History Updates for latest iOS versions 2.5 11/22/2024 Added information for wood screws.
Combined list of numeric and fractional drill sizes.
Updates for iOS 9.3. 2.4 08/03/2016 Updates for iOS 7
Fixed bugs that could cause a crash 2.3 11/21/2013 Added close fit and tight fit hole sizes
Updates for iOS 6 and the iPhone 5 2.2 01/08/2013 Corrected spelling errors. 2.1.0 01/04/2012 Added pipe dimensions and threading data.
Display of metric dimensions of standard drill bits.
Universal app for the iPad. 2.0.0 08/18/2010 1.0.0 02/10/2009
About Drill Calc
The company that develops Drill Calc is Black Cat Systems. The latest version released by its developer is 2.5.
To install Drill Calc on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Drill Calc as malware if the download link is broken.
How to install Drill Calc on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Drill Calc is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Drill Calc is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.5
posted on 2026-10-14
Version History Updates for latest iOS versions 2.5 11/22/2024 Added information for wood screws.
Combined list of numeric and fractional drill sizes.
Updates for iOS 9.3. 2.4 08/03/2016 Updates for iOS 7
Fixed bugs that could cause a crash 2.3 11/21/2013 Added close fit and tight fit hole sizes
Updates for iOS 6 and the iPhone 5 2.2 01/08/2013 Corrected spelling errors. 2.1.0 01/04/2012 Added pipe dimensions and threading data.
Display of metric dimensions of standard drill bits.
Universal app for the iPad. 2.0.0 08/18/2010 1.0.0 02/10/2009
version 2.5
posted on 2026-09-05
Version History Updates for latest iOS versions 2.5 11/22/2024 This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Added information for wood screws.
Combined list of numeric and fractional drill sizes.
Updates for iOS 9.3. 2.4 08/03/2016 Updates for iOS 7
Fixed bugs that could cause a crash 2.3 11/21/2013 Added close fit and tight fit hole sizes
Updates for iOS 6 and the iPhone 5 2.2 01/08/2013 Corrected spelling errors. 2.1.0 01/04/2012 Added pipe dimensions and threading data.
Display of metric dimensions of standard drill bits.
Universal app for the iPad. 2.0.0 08/18/2010 1.0.0 02/10/2009
version 2.5
posted on 2026-08-24
Version History Updates for latest iOS versions 2.5 11/22/2024 This update from Apple will improve the functionality of this app. No new features are included.
Added information for wood screws.
Combined list of numeric and fractional drill sizes.
Updates for iOS 9.3. 2.4 08/03/2016 Updates for iOS 7
Fixed bugs that could cause a crash 2.3 11/21/2013 Added close fit and tight fit hole sizes
Updates for iOS 6 and the iPhone 5 2.2 01/08/2013 Corrected spelling errors. 2.1.0 01/04/2012 Added pipe dimensions and threading data.
Display of metric dimensions of standard drill bits.
Universal app for the iPad. 2.0.0 08/18/2010 1.0.0 02/10/2009
version 2.5
posted on 2024-11-22
Updates for latest iOS versions
version 2.5
posted on 2024-11-22
Nov 22, 2024
Version 2.5
Updates for latest iOS versions
version 2.4
posted on 2016-08-03
Aug 3, 2016 Version 2.4
Added information for wood screws.
Combined list of numeric and fractional drill sizes.
Updates for iOS 9.3.
version 2.4
posted on 2016-08-03
Aug 3, 2016 Version 2.4
This app has been updated by Apple to use the latest Apple signing certificate.
Added information for wood screws.
Combined list of numeric and fractional drill sizes.
Updates for iOS 9.3.
version 2.4
posted on 2016-08-03
Aug 3, 2016 Version 2.4
This app has been updated by Apple to display the Apple Watch app icon.
Added information for wood screws.
Combined list of numeric and fractional drill sizes.
Updates for iOS 9.3.
version 2.4
posted on 2009-02-10
version 2.4
posted on 1970-01-01
2016年8月3日 Version 2.4
Added information for wood screws.
Combined list of numeric and fractional drill sizes.
Updates for iOS 9.3.
Disclaimer
Official App Store Link
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