
Fasteners - Surface discontinuities - Part 1: Bolts, screws and studs for general requirements
出版:Japanese Standards Association

专家解读视频
This Standard 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.
ISO 6157-1:1988 - Identical