Bolt Torque at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Education Productivity Productivity Education
Developer: Jochen Autrata
Price: 0 free
Current version: 1.4, last update: 7 years ago
First release : 29 Apr 2014
App size: 2.96 Mb
4.4 ( 9234 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


Take benefit from our engineering know how and calculate the max. thightening torque for many iso-metric and imperial screws in a very easy way.

Choose between ISO regular metric or fine metric threads and imperial UNC/UNF threads from lots of sizes and materials. Choose also between different friction conditions: lightly oiled, well oiled, etc. Or put in your own friction values.

Calculate the preload forces and stresses also and check the limits for standard materials or for a given yield limit.

This app is a "must have" for all engineers, mechanical designers and also for people in workshops.

Look also to our homepage for more and detailed information about this app.
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Available in countries
Country Price
Canada 13.99 CAD
China 68 CNY
France 10.99 EUR
Germany 10.99 EUR
Italy 10.99 EUR
Netherlands 10.99 EUR
Portugal 10.99 EUR
Spain 10.99 EUR
Poland 10.99 EUR
UK 9.99 GBP
India 800 INR
Japan 999.99 JPY
Poland 47.99 PLN
Russia 749 RUB
Turkey 34.99 TRY
USA 9.99 USD
Korea, Republic Of 10.99 USD
Ukraine 9.99 USD
Available for devices
MacDesktop,