British Standards Institution

Source:: CEN
Committee:: FME/9 - Fasteners
Categories:: Information management | Standardization. General rules | Engineering | Mechanical systems and components | Fasteners | Bolts, screws, studs

Scope

This document specifies the characteristics of prevailing torque type all-metal hexagon nuts, of style 2, with threads from M5 up to and including M36, in product grade A for threads up to and including M16, and product grade B for threads over M16, and with property class 9.

Purpose

Note : This CEN WI is requested to develop ISOAWI 7720, ISO id 84424, under the Vienna Agreement process (ISO lead)

Note: in case the WI is based on documents from other organizations than ISO/IEC, please specify it here

Comment on proposal

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Are you aware of any regulation, existing standards and other good practice information in this area in the UK (e.g. Industry codes of practice; company specifications, international or European Standards)? *

Would the development of a standard(s) in this area have a particular impact/relevance to SME, consumer, environmental or societal interests? *

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Discard

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

Standard timeline

1. Proposal

Proposal start date:

27/01/2023

Proposal end date:

12/03/2023

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

Draft decision C07-2023 _ NWI for CEN to develop ISO AWI 7720

Scope

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