iPhone app for ISO fits and tolerances

Trelleborg Sealing Solutions has updated its iPhone app “ISO Fits & Tolerances,” which now allows switching between inch and metric measurements. Providing results based on the ISO 286 System of Limits and Fits, the updated version also adds tolerance classes and is available in English, Spanish, German and Dutch. Upon entering the nominal diameter needed, users select the tolerance classes for bore and shaft. The app provides the complete ISO fits definition with all relevant values including the type of fit. Tolerances are shown for the most commonly used ISO tolerance classes and graphs illustrate classes by bore and shaft.

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