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ISO Tolerance app for iPhone and iPad


4.4 ( 1584 ratings )
Reference Productivity
Developer: superllanboy
0.99 USD
Current version: 2.0, last update: 3 months ago
First release : 13 Jan 2012
App size: 3.48 Mb

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.

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.

Latest reviews of ISO Tolerance app for iPhone and iPad

Worthless, wasted a dollar
Not worth the data download cost, definitely not worth a dollar
Well worth it for any machinist
Very straight forward, easy to use and accurate. Shows entered shaft or bore size with tolerance sizes.
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