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ISO 691:2005

Assembly tools for screws and nuts — Wrench and socket openings — Tolerances for general use

Publication date:   Nov 8, 2005

General information

90.20 Standard under periodical review   Oct 15, 2024

ISO

ISO/TC 29/SC 10 Assembly tools for screws and nuts, pliers and nippers

International Standard

25.140.30   Hand-operated tools

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 691:1997

NOW

PUBLISHED
ISO 691:2005
90.20 Standard under periodical review
Oct 15, 2024