NF EN ISO 8676
Hexagon head screws with metric fine pitch thread - Product grades A and B
ISO 8676:2011 specifies the characteristics of hexagon head screws with metric fine pitch thread with nominal thread diameters, d, from 8 mm to 64 mm, of product grade A for nominal thread diameters, d, from 8 mm to 24 mm and nominal lengths, l, up to and including 10d or 150 mm, whichever is the shorter, and of product grade B for nominal thread diameters, d, over 24 mm or nominal lengths, l, over 10d or 150 mm, whichever is the shorter.
ISO 8676:2011 specifies the characteristics of hexagon head screws with metric fine pitch thread with nominal thread diameters, d, from 8 mm to 64 mm, of product grade A for nominal thread diameters, d, from 8 mm to 24 mm and nominal lengths, l, up to and including 10d or 150 mm, whichever is the shorter, and of product grade B for nominal thread diameters, d, over 24 mm or nominal lengths, l, over 10d or 150 mm, whichever is the shorter.
La présente Norme internationale spécifie les caractéristiques des vis à tête hexagonale à filetage métrique à pas fin entièrement filetées, de diamètre nominal de filetage, d, de 8 mm à 64 mm inclus, de grade A pour les diamètres d > ou = 8 mm mais < ou = 24 mm et les longueurs nominales l < ou = 10d ou l < ou = 150 mm, selon la valeur la plus petite, et de grade B pour les diamètres d > 24 mm ou les longueurs nominales l > 10d ou l > 150 mm, selon la valeur la plus petite. Si, dans des cas particuliers, des spécifications autres que celles figurant dans la présente Norme internationale sont requises, il est recommandé de les prendre dans les Normes internationales existantes, par exemple ISO 724, ISO 888, ISO 898-1, ISO 965-1, ISO 3506-1, ISO 4753 et ISO 4759-1. Les vis à pas gros qui font l'objet de l'ISO 4017 constituent des produits à choisir de façon préférentielle.
This document specifies the characteristics of hexagon head screws, in steel and stainless steel, with metric fine pitch threads M8×1 to M64×4, and with product grades A and B. If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-1 or ISO 3506-1, and dimensional options from ISO 888 or ISO 4753.
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