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EN 1661:1997

Hexagon nuts with flange (ISO/DIS 4161:1996, modified) EN 1661:1997

Publication date:   Oct 23, 2003

General information

90.93 Standard confirmed   Apr 13, 2023

CEN

CEN/TC 185 Fasteners

European Norm

21.060.20   Nuts

Buying

Published

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Scope

This European Standard gives specifications for hexagon nuts with flange, with threads from M5 to M20 inclusive, of product grade A threads up to and includingM16 and product grade B threads above M16 and property classes 8, 10, 12 and A2-70.

Life cycle

NOW

PUBLISHED
EN 1661:1997
90.93 Standard confirmed
Apr 13, 2023

CORRIGENDA / AMENDMENTS

PUBLISHED
EN 1661:1997/AC:1998