DIN EN 26157-1
Fasteners – Surface discontinuities – Bolts, screws and studs subject to general requirements (ISO 6157-1 : 1988) (English version of DIN EN 26 157 Part 1)
English
1991
Detailed Information
1.1 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 agreed between supplier and purchaser.
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