NEN-ISO 8676
Hexagon head screws with metric fine pitch thread - Product grades A and B
| Organization: | NEN |
| Publication Date: | 1 February 1992 |
| Status: | inactive |
| Page Count: | 8 |
| ICS Code (Bolts, screws, studs): | 21.060.10 |
scope:
This standard gives specifications for hexagon head screws with metric fine pitch thread with nominal thread diameters from 8 to 64 mm, of product grade A for nominal thread diameters from 8 to 24 mm and nominal lengths, l, up to and including 10 d or 150 mm, whichever is shorter, and of product grade B for nominal thread diameters over 24 mm or nominal lengths, l, over 10 d or 150 mm, whichever is shorter. If, in special caes, specifications other than those listed in this Standard are required, they should be selected from existing Standards, for example ISO 261, ISO 888, ISO 898-1, ISO 965-2, ISO 3506 and ISO 4759-1. Coarse thread screws according to ISO 4017 should be first choice.
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