ISO-691 › Historical Revision Information
Assembly Tools for Screws & Nuts - Wrench & Socket Openings - Tolerances for General

ISO-691 - 2ND EDITION - SUPERSEDED
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ISO 691:2005 specifies tolerances on wrench and socket openings for screws and nuts (or similar parts) having metric width across flats dimensions. It gives, for each dimension, the tolerances for general use, defined by its two deviations, minimum and maximum, with respect to the nominal value. These deviations have been determined in relation to the width across flats tolerances for screws and nuts specified in ISO 4759-1 and with regard to the manufacture of tightening tools.

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25.140.30 (Hand-operated tools Including wrenches, screwdrivers, pliers, nippers, hammers, etc.)

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Document Number

ISO 691:1983

Revision Level

2ND EDITION

Status

Superseded

Publication Date

Nov. 1, 1983

Committee Number

ISO/TC 29/SC 10