NF E 25-511

RONDELLES CONIQUES STRIÉES DE SERRAGE Symbole CS

French 1984
0.000
NF
Detailed Information

La présente norme fixe les caractéristiques des rondelles coniques striées de serrage en acier au carbone, et définit les essais à effectuer pour leur contrôle.

Elles sont généralement utilisées avec des vis à métaux de grade A ou B, de diamètre 3 à 20 mm, de classes de qualité 6.8 et 8.8, et avec des écrous de caractéristiques correspondantes (pour I’emploi en classe 8.8, voir chapitre 2).

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