ISO 6789-1:2017
螺钉和螺母的装配工具. 手动扭矩工具. 第1部分: 设计一致性试验和质量一致性试验要求和方法: 一致性声明的最低要求
Assembly tools for screws and nuts - Hand torque tools - Part 1: Requirements and methods for design conformance testing and quality conformance testing: minimum requirements for declaration of conformance