ISO 7719:2025
International Standard
Current Edition
·
Approved on
12 June 2025
Fasteners — Prevailing torque hexagon nuts — Regular nuts (all metal)
ISO 7719:2025 Files
English
6 Pages
Current Edition
20.64 OMR
ISO 7719:2025 Scope
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.
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