Under publication
ISO 7720
Fasteners — Prevailing torque hexagon nuts — High nuts (all metal) with slot(s)
Reference number
ISO 7720
Edition 4
2025-06
© ISO 2025
Under publication
Under publication (Edition 4, 2025)
Final production steps (up to seven weeks).
Will replace ISO 7720:2012

Abstract

This document specifies the characteristics of prevailing torque (all metal) hexagon high nuts, in steel and stainless steel, with metric coarse pitch thread M5 to M39, and with product grades A and B. 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
     : Under development
    Publication date
     : 2025-06
    Stage
    : International Standard under publication [60.00]
  • Edition
     : 4
  • Technical Committee :
    ISO/TC 2/SC 12
    ICS :
    21.060.20 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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