GB/T 4389-2013 in English
VALIDDouble-headed open-ended wrenches,double-headed box wrenches and combination wrenches—Maximum widths of heads
- Issued on:2013-11-12
- Implemented on:2014-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$136.00
《GB/T 4389-2013双头呆扳手、双头梅花扳手、两用扳手 头部外形的最大尺寸》由TC174(全国五金制品标准化技术委员会)归口,主管部门为中国轻工业联合会。
本标准规定了双头呆扳手、双头梅花扳手、两用扳手头部外形的最大尺寸。
本标准适用于扳拧螺栓和螺母或其他紧固件的呆扳手、梅花扳手和两用扳手,上述扳手的命名与术语按照GB/T4625的规定。
Scope
This standard specifies the maximum dimensions of the head shape of double-ended solid wrenches, double-ended torx wrenches, and dual-purpose wrenches. This standard applies to wrenches, torx wrenches and combination wrenches used to wrench bolts and nuts or other fasteners. The nomenclature and terminology of the above-mentioned wrenches are in accordance with the provisions of GB/T 4625.

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