British Standards Institution

Source:: CEN
Committee:: ACE/12 - Aerospace fasteners and fastening systems
Categories:: Bolts, screws, studs
Comment period start date:: 19/06/2025
Comment period end date:: 12/08/2025
Number of comments:: 0

Comment by:

12th Aug

Scope

This document specifies the characteristics of bolts normal hexagonal head with relieved shank and long thread in heat resisting nickel base alloy NI-PH2601 (Inconel 718), for aerospace applications.

Classification: 1 275 MPa[1]/650 °C[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:

13/05/2025

3. Public Comments

Public Comments start date:

19/06/2025

Public Comments end date:

12/08/2025

4. Comment Resolution

Comment Resolution start date:

03/11/2026

5. Approval

6. Publication

Publication start date:

21/01/2027

Learn more about the standards development process

Standards Development

BS EN 3613 EN 3613 Aerospace series. Bolts, normal hexagonal head, relieved shank, long thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated. Classification: 1 275 MPa/650 °C

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