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Screw with flattened half round head with hexagon socket, imperial ASME B18.3, plain steel alloy, low head, UNC (comparable with ISO metric thread)
Screw with flattened half round head with hexagon socket, imperial ASME B18.3, plain steel alloy, low head, UNC (comparable with ISO metric thread) - 1
Screw with flattened half round head with hexagon socket, imperial ASME B18.3, plain steel alloy, low head, UNC (comparable with ISO metric thread) - 2

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Screw with flattened half round head with hexagon socket, imperial ASME B18.3, plain steel alloy, low head, UNC (comparable with ISO metric thread)

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1 英寸 (in) = 25.4 毫米


“合金”强度等级相当于“公制强度等级 12.9”


根据 ASME B 18.3 标准制定的内六角螺钉头部没有指明强度等级,因为根据 ASTM F835 机械性能,它们只有一个强度等级。

产品须知

这些螺钉的负载能力有限,相关信息还可参阅 ASME 18.3 表 3 和 ASTM F835 表 3 Point A