Prevailing torque type all-metal hexagon nuts, with slot(S). Product grades A and B. Symbol H FR.

La présente norme fait partie d'un ensemble de normes NF E 25-408 à NF E 25-414 qui traitent des écrous autofreinés.

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Main informations

Collections

National standards and national normative documents

Publication date

December 1985

Number of pages

6 p.

Reference

NF E25-411

ICS Codes

21.060.20 Nuts

Classification index

E25-411

Print number

1 - 01/06/1995

Sumary

Prevailing torque type all-metal hexagon nuts, with slot(S). Product grades A and B. Symbol H FR.

La présente norme fait partie d'un ensemble de normes NF E 25-408 à NF E 25-414 qui traitent des écrous autofreinés.

Standard replaced by (1)

NF E25-411

August 2021

Standard Current

Fasteners - Prevailing torque (all-metal) hexagon nuts, with slot(s) - Symbol H FR

Le présent document spécifie les caractéristiques des écrous hexagonaux autofreinés tout métal avec fente (s) , en acier et en acier inoxydable, à filetage métrique ISO à pas gros M3 à M39, de grades A et B. Il définit les dimensions, les caractéristiques mécaniques et fonctionnelles, le marquage, l'étiquetage et la désignation.

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