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ISO 8678:1988 Cup head square neck bolts with small head and short neck - Product grade B
standard by International Organization for Standardization, 06/01/1988
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Full Description
Specifies the characteristics of products with metric dimensions and thread sizes from M 6 up to and including M 20; tabulates thread sizes M 6 up to M 20 with nominal lengths from 12 mm up to 160 mm and specifications with reference to International Standards; gives an example for the designation.