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EVS-EN ISO 7040:2025

Fasteners - Prevailing torque hexagon nuts - Regular nuts (with non-metallic insert) (ISO 7040:2025)

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Kehtiv alates 15.07.2025
Alusdokumendid
ISO 7040:2025; EN ISO 7040:2025
Tegevusala (ICS grupid)
21.060.20 Mutrid
Direktiivid või määrused
puuduvad

Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
15.07.2025
Põhitekst
04.01.2013
Põhitekst
This document specifies the characteristics of prevailing torque hexagon regular nuts (with non‑metallic insert), in steel and stainless steel, with metric coarse pitch thread M3 to M39, 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 4032 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.
Nuts with sizes D < M5 and design principles in accordance with style 1 are specified in Annex A.
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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