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naSRPS EN 4909:2023

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

General information

40.20     Mar 19, 2026

40.60    May 21, 2026

ISS

S020

European Norm

49.030.20  

English  

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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.

Life cycle

NOW

PROJECT
naSRPS EN 4909:2023
40.20 DIS ballot initiated: 12 weeks
Mar 19, 2026

Related project

Adopted from prEN 4909 IDENTICAL

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