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EN 1664:1997

Prevailing torque type all-metal hexagon nuts with flange (ISO 7044:1997, modified) EN 1664:1997

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 specifies the characteristics of prevailing torque type all-metal hexagon nuts with flange and threads from M5 to M20 inclusive, in product grade A for threads up to and including M16 and product grade B for threads above M16 and property classes 8, 10 and 12.

Life cycle

NOW

PUBLISHED
EN 1664:1997
90.93 Standard confirmed
Apr 13, 2023