NA 121

DIN Standards Committee Tools and Clamping Devices

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Drafts of NA 121

Number: 12

DIN EN ISO 6789-2 2025-08 Assembly tools for screws and nuts - Hand torque tools - Part 2: Requirements for calibration and determination of measurement uncertainty (ISO/DIS 6789-2:2025); German and English version prEN ISO 6789-2:2025 More 
DIN EN ISO 6789-1 2025-07 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/DIS 6789-1:2025); German and English version prEN ISO 6789-1:2025 More 

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