Chinese Standard: GB/T 4393-2008

Open end wrenches,box wrenches and combination wrenches—Technical specifications

NEQ  ISO 1711-1:2007

全国五金制品标准化技术委员会工具五金分技术委员会

本标准规定了呆扳手、梅花扳手、两用扳手的技术要求、试验方法、检验规则、包装、标志、运输与贮存。
本标准适用于扳拧螺栓和螺母或其他紧固件的呆扳手、梅花扳手、两用扳手。

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