Institute of European Standards and Quality 
Reference details
- Reference
- EN 4135:2009
- Title
- Aerospace series - Bolts, normal bi-hexagonal head, coarse tolerance normal shank, medium length thread, in titanium alloy, anodized, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature) / 315 °C
- Organisation
- CEN
- Publisher status in source
- PublishedThis is the status recorded in the source, not a statement that this is the latest edition.
- Source access
- 19 October 2026
Research and application
Begin with the official scope and the product configuration. The title identifies a subject; it does not establish every product, use condition or legal requirement covered by the publication.
Product research routes
- Marine, aviation and aerospace products
Equipment qualification and interface requirements in marine and aerospace service environments.
Questions for the evidence file
- Configuration and installation basis
- Environmental qualification
- Material and process traceability
- Approval scope
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Legal citation
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