International Standard
ISO 10512:2025
Fasteners — Prevailing torque hexagon nuts — Regular nuts (with non-metallic insert), with fine pitch thread
Reference number
ISO 10512:2025
Edition 3
2025-06
© ISO 2026
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Published (Edition 3, 2025)

ISO 10512:2025

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CHF 44
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Abstract

This document specifies the characteristics of prevailing torque hexagon regular nuts (with non‑metallic insert), in steel and stainless steel, with metric fine pitch thread 8 mm to 39 mm, and with product grades A and B.

NOTE            These nuts are designed with an overall height equal to mmin (as specified in ISO 898-2 and ISO 8673 for style 1) plus the prevailing torque feature. The height of the prevailing torque feature (hmax – mmin) for the non-metallic insert is identical for regular, high and thin nuts for a given diameter.

If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO 3506-2.

General information

  • Status
     : Published
    Publication date
     : 2025-06
    Stage
    : International Standard published [60.60]
  • Edition
     : 3
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 2/SC 12
    ICS :
    21.060.20 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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