GDPR

Mandatory cookies

Mandatory cookies enable the main website functions. Without the aforementioned cookies the website cannot function properly. These cookies can be turned off only by changing the browser settings.

Statistics cookies

Analytical cookies allow us to improve the website by collecting and providing information about its usage.

Newsletter subscription

projektai-lsd Lithuanian Standards Board
Portal for draft standards
Register

prEN 4909

Aerospace series - Screw, hexagon head, flanged, with six-lobe recess, composite, inch series

Draft Public enquiry
Comment end date 2026-05-26
Export comments Read draft and comment

Project stage codes

1. Decision on WI Proposal
2. Projektas
3. Viešoji apklausa
From 2026-03-27 till 2026-05-26
4. Closure of enquiry
5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

49.030.20 - Bolts, screws, studs

ForeignTC'S

ASD-STAN

Number of comments

0

Comment start date

2026-03-27

Scope

This document specifies the properties of a screw, hexagon head, flanged, with six-lobe recess made of composite for aerospace cabin and non-structural applications. Due to the polymer material the screws can also be used to avoid damage to varnish and coatings beneath the washer while tightening the screw.