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 (all metal) hexagon high nuts, 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 hmin = mmin (as specified in ISO 898-2 and ISO 8674 for style 2) plus the prevailing torque feature. hmax has been established as a function of hmin, therefore the tolerance (hmax – hmin) does not follow the IT system. mw,min corresponds to the values specified for style 1.

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 10513 ISO 10513 Fasteners. Prevailing torque hexagon nuts. High nuts (all metal), with fine pitch thread

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