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Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

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Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

ISO Tolerance Screenshots

iPhone

About ISO Tolerance

ISO Tolerance is an application that brings ISO Hole Basis Tolerance charts to your iPhone.

Based on ISO 286,the application allows users to enter a nominal diameter for hole or shaft, select the tolerance grade using a simple selector, and reveal the upper and lower tolerances based on the selected grade.

The application calculates tolerances for nominal diameters between 0 and 500 mm in metric mode.

The application calculates tolerances for nominal diameters between 0 and 19.685 inches in imperial mode.

Tolerance grades range from "A" to "ZC" for holes, and "a" to "zc" for shafts.

Additional functionality of ISO 2768 tolerances.

Users can now find tolerances for Linear dimensions, Chamfers and Radii, Angles, Straightness, Flatness, Perpendicularity, Symmetry, and run out as defined in ISO 2768 table 1 and table 2.

The app contains a limits and fits calculator for easily seeing which combination of tolerances offer clearance, transition or interference fits.

Ideal for CNC Machinists, Manual Machinists, Inspectors, Designers, Draughtsmen and Students wishing to dispense with tolerance charts and books, bringing the convenience of all the information direct to the iPhone.

What's New in the Latest Version 3.0

Last updated on May 14, 2020

Old Versions

Updated the App for IOS13
Added an ISO fits function, which allows users to conveniently check for clearance, transition or interference fits.

Version History

3.0

May 14, 2020

Updated the App for IOS13
Added an ISO fits function, which allows users to conveniently check for clearance, transition or interference fits.

2.1

Apr 18, 2018

Updated Code for latest IOS
Fixed issue with keyboard entry in countries with decimal symbol as comma

2.0

Aug 31, 2017

Updated the code for the latest IOS
Improved UI
English and Chinese language support

1.2

Mar 18, 2012

Added a Glossary of GD&T symbols and explanations as defined in ASME 14.5 and various ISO standards.

The user is able to scroll through the commonly used symbols to find a definition of the symbol and an explanation of its application where appropriate.

The information provided is meant to serve as a quick and simple ready reference, suitable as a reminder of the GD&T symbols.

The ASME and ISO standards are very comprehensive and detailed, and the extent of the information they provide can not be fully represented here.

1.1

Feb 12, 2012

Added additional functionality of ISO 2768 tolerances.
Users can now find tolerances for Linear dimensions, Chamfers and Radii, Angles, Straightness, Flatness, Perpendicularity, Symmetry, and run out as defined in ISO 2768 table 1 and table 2.

1.0

Jan 13, 2012

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