International Standard
ISO 7719:2025
Fasteners — Prevailing torque hexagon nuts — Regular nuts (all metal)
Reference number
ISO 7719:2025
Edition 4
2025-06
© ISO 2026
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Published (Edition 4, 2025)

ISO 7719:2025

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CHF 44
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Abstract

This document specifies the characteristics of prevailing torque (all metal) hexagon regular nuts, in steel and stainless steel, with metric coarse pitch thread M5 to M39, and with product grades A and B.

NOTE            These nuts are designed with an overall height hmin = mmin (as specified in ISO 898-2 and ISO 4032 for style 1) plus the prevailing torque feature. hmax has been established in function of hmin; therefore, the tolerance (hmax – hmin) does not follow the ISO code system for tolerances (IT system).

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
     : 4
    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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