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ISO 965-6:2025

ISO general purpose metric screw threads — Tolerances — Part 6: Limits of sizes for internal and external threads (fine and medium tolerance qualities, first and second choices)

Publication date:   Jul 25, 2025

General information

60.60   Standard published   Jul 25, 2025

ISO

ISO/TC 1 Screw threads

International Standard

21.040.10   Metric screw threads

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Scope

This document specifies the limits of sizes for major, pitch and minor diameters of ISO general purpose metric screw threads (M) conforming to ISO 261 and having basic and design profiles in accordance with ISO 68-1.
This document is applicable to the metric fastening screw threads with the ten tolerance classes (4H, 5H, 6H, 7H, 6G, 4h, 6h, 6g, 6f and 6e) recommended in ISO 965-1.

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PUBLISHED
ISO 965-6:2025
60.60 Standard published
Jul 25, 2025