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prEN 4138

Aerospace series - Screw, pan head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C

Publication date:   Mar 12, 2026

General information

40.60   Close of voting   Jun 4, 2026

CEN

ASD-STAN Aerospace

European Norm

49.030.20   Bolts, screws, studs

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Scope

This document specifies the characteristics of screws, pan head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated.
Classification: 1 100 MPa /235 °C

Life cycle

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EN 4138:2016

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prEN 4138
40.60 Close of voting
Jun 4, 2026