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EN 1666:1997

Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread (ISO 12125:1997, modified)

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

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Scope

This European Standard specifies the characteristics of prevailing torque type hexagon nuts with flange, with non-metallic annular insert and metric fine pitchthread with nominal thread diameters from 8 up to and including 20 mm, in product grade A for sizes d up to and including 16 mm and product grade B for sizes d > 16 mm and property classes 6, 8 and 10.

Life cycle

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PUBLISHED
EN 1666:1997
90.93 Standard confirmed
Apr 13, 2023