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DS/ISO 6157-1:1992
Fasteners - Surface discontinuities - Part 1: Bolts, screws and studs for general requirements
This part of ISO 6157 establishes limits for various types of surface discontinuities on bolts, screws and studs for general requirements. It applies to bolts, screws and studs with: nominal thread diameters 5 mm and larger; product grades A and B; property classes up to and including 10.9, unless otherwise specified in product standards or agreeed between supplier and purchaser.
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Danish Standards [ds]
Danish Standards [ds]