British Standards Institution

Source:: ISO
Committee:: FME/9 - Fasteners
Categories:: Nuts
Comment period start date:: 06/06/2024
Comment period end date:: 30/07/2024
Number of comments:: 0

Comment by:

30th Jul

Scope

This document specifies the characteristics of prevailing torque hexagon regular nuts (with non‑metallic insert), in steel and stainless steel, with metric fine pitch thread 8 mm to 39 mm, 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 8673 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.

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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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

04/04/2024

3. Public Comments

Public Comments start date:

06/06/2024

Public Comments end date:

30/07/2024

Learn more about the standards development process

Standards Development

BS EN ISO 10512 ISO 10512 Fasteners. Prevailing torque hexagon nuts. Regular nuts (with non-metallic insert), with fine pitch thread

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