标准编号SANS 1700-7-7 Ed.1(2003)
标准名称Fasteners - Part 7: External Drive Hexagon Bolts And Screws - Section 7: Hexagon Bolts For High-strength Structural Bolting With Large Width Across Flats (thread Lengths According To Sabs Iso 888) - Product Grade C - Property Classes 8.8 And 10.9
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