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>BSI Standards >21 MECHANICAL SYSTEMS AND COMPONENTS FOR GENERAL USE>21.060 Fasteners>21.060.20 Nuts>BS EN ISO 7719:2025 - TC Tracked Changes. Fasteners. Prevailing torque hexagon nuts. Regular nuts (all metal)
immediate downloadReleased: 2025-06-27
BS EN ISO 7719:2025 - TC Tracked Changes. Fasteners. Prevailing torque hexagon nuts. Regular nuts (all metal)

BS EN ISO 7719:2025 - TC

Tracked Changes. Fasteners. Prevailing torque hexagon nuts. Regular nuts (all metal)

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Standard number:BS EN ISO 7719:2025 - TC
Pages:30
Released:2025-06-27
ISBN:978 0 539 37721 7
Status:Tracked Changes
DESCRIPTION

BS EN ISO 7719:2025 - TC


This standard BS EN ISO 7719:2025 - TC Tracked Changes. Fasteners. Prevailing torque hexagon nuts. Regular nuts (all metal) is classified in these ICS categories:
  • 21.060.20 Nuts
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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