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NEN-ISO 3315:2018現(xiàn)行
Assembly tools for screws and nuts - Driving parts for hand-operated square drive socket wrenches - Dimensions and tests
出版：Netherlands Standards
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基本信息
標(biāo)準(zhǔn)編號(hào)： NEN-ISO 3315:2018
標(biāo)準(zhǔn)類別：Standard
出版單位：Netherlands Standards
標(biāo)準(zhǔn)頁(yè)數(shù)：0
標(biāo)準(zhǔn)簡(jiǎn)介
NEN-ISO 3315 is applicable to driving parts of hand-operated square drive socket wrenches. It specifies: a) the overall dimensions; b) the minimum Rockwell hardness value for their driving squares; c)?the method of torque testing; d) the minimum torsional strength values; e) the designation; f) the marking.
