Chinese Standard: GB/T 3390.2-2013

Hand operated socket wrenches—Driving squares

MOD   ISO 1174-1:2011

全国五金制品标准化技术委员会工具五金分技术委员会(SAC/TC 174/SC 2)

本标准规定了手动套筒扳手传动方榫和方孔的分类、技术要求、试验方法和检验规则。
本标准适用于装拆六角螺栓和螺母的手动套筒扳手传动方榫和方孔。

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