Dormer has given its thread size calculator app for the smartphone and tablet its biggest update yet with a host of new features added.

The new Toolbox app provides a valuable resource for engineers and machinists with a range of accessories available to provide a simply reliable one-stop shop for threading processes.

It will make it even easier to use Dormer’s cutting tools and provide the security that the tool being used is the right one for the right application.

Key features include:

· Thread size calculator: Provides improved process security by selecting the correct drill diameter for a thread. Simply input the size of the desired thread, select the process (tapping or forming) and standard (DIN or ANSI) and the calculator quickly and accurately determines the correct drill size.
· Calliper: Need to know the diameter of the cutting tool? Place the tool on the smartphone or tablet screen and the calliper will measure it!
· Bubble Level: Use this feature to check the alignment of an object or surface.
· Loudness meter: Useful to check the noise levels in any working area
· Obsolete items & alternatives: If one of the old out of stock Dormer products is selected, this service will let you know which tool you should upgrade to in order to get the job done
· Converter (mm-inch): Convert dimensions from millimetres to inches and vice-versa
· Multi-language: This app is a multi-language app, , it sets up automatically according to your the device default language

What’s New

Version 2.0.9

Minor bug fixes on German, Czech and Russian versions.


Dormer Tools Ltd
27 MB

Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Czech, Dutch, Finnish, French, German, Hungarian, Italian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish

Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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