标准摘要
[中文适用范围]： 本文件规定了单头工程扳手的要求，其公称对边宽度为 3.2 至 120。它规定了头部的最大外部尺寸并给出了测试扭矩值。“较低扭矩应用”名称与较小的头部尺寸一致。注意：本文件涵盖的扳手是 ISO 1703:2005 中编号为 1101010 和 1101011 的扳手。 [外文原描述]： ISO 13778:2017 specifies requirements of single-head engineer's wrenches with nominal width across flats from 3,2 to 120. It specifies the maximum outside dimensions of heads and gives the test torque values. The "lower torque application" designation is in accordance with the smaller head dimensions. NOTE The wrenches covered by this document are the ones identified in ISO 1703:2005 under reference Nos. 1 1 01 01 0 and 1 1 01 01 1.
英文名称Assembly tools for screws and nuts — Single-head engineer's wrenches for lower torque applications — Maximum outside dimensions of heads and test torques