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Socket head cap screw with hexagon socket ASME 18.3, steel, alloy, zinc flake ZFSHL
Socket head cap screw with hexagon socket ASME 18.3, steel, alloy, zinc flake ZFSHL - 1
Socket head cap screw with hexagon socket ASME 18.3, steel, alloy, zinc flake ZFSHL - 2

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Socket head cap screw with hexagon socket ASME 18.3, steel, alloy, zinc flake ZFSHL

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1 inch (in) = 25.4 mm


The "alloy" strength class is comparable to metric strength class 12.9


Hexagon socket screws in accordance with ASME B 18.3 do not have the strength class specified on the head, as they have only one strength class in accordance with ASTM 574 mechanical properties.



Standard thread tolerance in accordance with ASME B1.1 = 3A (for external thread)