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ISO 6157-3:1988
Fasteners - Surface discontinuities - Part 3: Bolts, screws and studs for special requirements
Establishes limits for various types of products and applies to these products with: nominal thread diameters of 5 mm and larger, product grades A and B, nominal lengths 1 10 d (or longer if specified), property class 12.9, and property classes 8.8, 9.8, and 10.9 (when specified or agreed); the annex contains a sampling plan.
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International Organization for Standardization [iso]
