标准编号：ISO 21982:2020
中文名称：螺钉和螺母用装配工具 棘轮扳手 技术要求
英文名称：Assembly tools for screws and nuts — Ratcheting wrenches — Technical requirements
发布日期：2020-07
标准范围
This document specifies the dimensions and technical requirements for ratcheting wrenches used in assembly or disassembly of hexagonal and double hexagonal fasteners.
NOTE The wrenches covered by this document are the ones identified in ISO 1703 under reference No.1 1 01 07 0, 1 1 01 08 0, 1 1 01 09 0 and 1 1 02 19 0, 1 1 02 20 0.
NOTE The wrenches according to this document are not intended for uses with impact stress of the wrench.
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