British Standards Institution

Source:: CEN
Committee:: ACE/12 - Aerospace fasteners and fastening systems
Categories:: Bolts, screws, studs
Comment period start date:: 03/07/2025
Comment period end date:: 26/08/2025
Number of comments:: 0

Comment by:

26th Aug

Scope

This document specifies the characteristics of bolts, shouldered, thin hexagonal head, close tolerance shank, short thread, in titanium alloy, anodized, MoS2 dryfilm coated, for aerospace applications.

Classification: 1 100 MPa[1]/315 °C[2].

These bolts are intended to be used with washers according to EN 2414 and nuts according to EN 3230.

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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:

06/06/2025

3. Public Comments

Public Comments start date:

03/07/2025

Public Comments end date:

26/08/2025

4. Comment Resolution

Comment Resolution start date:

17/11/2026

5. Approval

6. Publication

Publication start date:

04/03/2027

Learn more about the standards development process

Standards Development

BS EN 3740 EN 3740 Aerospace series. Bolts, shouldered, thin hexagonal head, close tolerance shank, short thread, in titanium alloy, anodized, MoS2 coated. Classification: 1 100 MPa (at ambient temperature)/315 °C

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