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DIN EN ISO 6789-1:2017
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 (ISO 6789-1:2017); German version EN ISO 6789-1:2017
This document 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).
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Deutsches Institut für Normung [din]
Deutsches Institut für Normung [din]