Bultar, skruvar

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
Ämnesområden: Bultar, skruvar
Kommittébeteckning: SIS/TK 643 (Rymdteknik)
Källa: CEN
Svarsdatum: den 11 maj 2026
Detaljer om förslaget
Se merSe mindre
 

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

prEN 4910 - Aerospace series - Screw, hexagon head, flanged, with six-lobe recess, composite, inch series - Technical Specification
Ämnesområden: Bultar, skruvar
Kommittébeteckning: SIS/TK 643 (Rymdteknik)
Källa: CEN
Svarsdatum: den 30 maj 2026
Detaljer om förslaget
Se merSe mindre
 

This document specifies the technical requirements for a screw made of composite plastic for aerospace cabins and non-structural applications. Features of the screw are a hexagon head with flange and a six-lobe recess.

prEN 4909 - Aerospace series - Screw, hexagon head, flanged, with six-lobe recess, composite, inch series
Ämnesområden: Bultar, skruvar
Kommittébeteckning: SIS/TK 643 (Rymdteknik)
Källa: CEN
Svarsdatum: den 30 maj 2026
Detaljer om förslaget
Se merSe mindre
 

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.

prEN 2883 - Aerospace series — Nuts, hexagonal, self-locking, with counterbore and captive washer, in heat resisting steel, MoS2 lubricated — Classification : 1 100 MPa (at ambient temperature) / 315 °C
Ämnesområden: Bultar, skruvar
Kommittébeteckning: SIS/TK 643 (Rymdteknik)
Källa: CEN
Svarsdatum: den 29 jun 2026
Detaljer om förslaget
Se merSe mindre
 

This document specifies the characteristics of self-locking hexagonal nuts, with counterbore and captive washer, in heat resisting steel, MoS2 lubricated. Classification: 1 100 MPa1/315 °C2.

prEN 3723 - Aerospace series — Nuts, hexagonal, self-locking, in heat resisting steel FE-PA92HT (A286), MoS2 coated Aerospace — Classification : 1 100 MPa (at ambient temperature) / 425 °C
Ämnesområden: Bultar, skruvar
Kommittébeteckning: SIS/TK 643 (Rymdteknik)
Källa: CEN
Svarsdatum: den 3 jul 2026
Detaljer om förslaget
Se merSe mindre
 

This document specifies the characteristics of self-locking hexagonal nuts in FE-PA92HT, MoS2 coated, for aerospace applications. Classification: 1 100 MPa1/425 °C2.