PR NF EN ISO 6789-1

PR NF EN ISO 6789-1

July 2025
Standard Project

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

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 a manufacturer’s 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).NOTE          Hand torque tools covered by this document are those identified in ISO 1703:2018 by reference numbers 7 1 00 01 0 to 7 1 00 14 0 inclusive.  Torque limiting hand torque tools do not yet have reference numbers and will not do so until the next revision of ISO 1703 This document does not specify requirements of calibration certificates for hand torque tools. These are described in ISO 6789‑2.This document does not specify requirements for verifying the performance of hand torque tools. These are described in ISO 6789-3.

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Main informations

Collections

National standards and national normative documents

Publication date

July 2025

Number of pages

51 p.

Reference

PR NF EN ISO 6789-1

ICS Codes

25.140.30   Hand-operated tools

Classification index

E74-325-1PR

Print number

1

International kinship

ISO/DIS 6789-1

European kinship

PR EN ISO 6789-1
Sumary
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

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 a manufacturer’s 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).

NOTE          Hand torque tools covered by this document are those identified in ISO 1703:2018 by reference numbers 7 1 00 01 0 to 7 1 00 14 0 inclusive.  Torque limiting hand torque tools do not yet have reference numbers and will not do so until the next revision of ISO 1703

This document does not specify requirements of calibration certificates for hand torque tools. These are described in ISO 6789‑2.

This document does not specify requirements for verifying the performance of hand torque tools. These are described in ISO 6789-3.

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