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
|Publication Date:||1 March 2017|
|ICS Code (Hand-operated tools):||25.140.30|
NEN-EN-ISO 6789-1 specifies the conformance testing and marking requirements for hand torque tools used for controlled tightening of screws and nuts. It also specifies the minimum requirements for declaration of conformance for hand torque tools. This document applies to hand torque tools which are classified as indicating torque tools (Type I) and setting torque tools (Type II). This document does not specify requirements of calibration certificates for hand torque tools. These are described in ISO 6789-2.