BS EN 3381:2025
Aerospace series. Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, anodized, MoS2 lubricated. Classification: 1 100 MPa (at ambient temperature)/315 °C
| Standard number: | BS EN 3381:2025 |
| Pages: | 14 |
| Released: | 2025-10-31 |
| ISBN: | 978 0 539 27684 8 |
| Status: | Standard |
BS EN 3381:2025 Aerospace Series Screws
Introducing the BS EN 3381:2025, a cutting-edge standard in aerospace engineering, designed to meet the rigorous demands of modern aviation and aerospace applications. This standard specifies the requirements for screws with a 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, and short thread, crafted from high-performance titanium alloy. These screws are anodized and lubricated with MoS2, ensuring optimal performance and longevity in challenging environments.
Key Features
- Material: Titanium Alloy
- Head Type: 100° Countersunk Normal Head
- Recess Type: Offset Cruciform Recess
- Shank: Close Tolerance Normal Shank
- Thread: Short Thread
- Finish: Anodized
- Lubrication: MoS2 (Molybdenum Disulfide)
- Classification: 1 100 MPa (at ambient temperature)/315 °C
Technical Specifications
The BS EN 3381:2025 standard is meticulously crafted to ensure that each screw meets the highest quality and performance standards required in the aerospace industry. With a classification of 1 100 MPa at ambient temperature and a maximum operating temperature of 315 °C, these screws are engineered to withstand extreme conditions, providing reliability and safety in critical applications.
Applications
These screws are ideal for use in a variety of aerospace applications, including:
- Aircraft structural assemblies
- Engine components
- Avionics and electronic enclosures
- Spacecraft and satellite assemblies
The combination of titanium alloy construction and MoS2 lubrication ensures that these screws offer exceptional strength-to-weight ratio, corrosion resistance, and reduced friction, making them suitable for high-stress environments where performance and reliability are paramount.
Standard Details
The BS EN 3381:2025 standard is a comprehensive document consisting of 14 pages, providing detailed specifications and guidelines for the manufacturing and application of these aerospace screws. Released on October 31, 2025, this standard is an essential resource for engineers and manufacturers in the aerospace industry.
Standard Number: BS EN 3381:2025
ISBN: 978 0 539 27684 8
Status: Standard
Why Choose BS EN 3381:2025?
Choosing the BS EN 3381:2025 standard ensures that you are utilizing screws that are designed and tested to meet the highest industry standards. The use of titanium alloy provides a lightweight yet incredibly strong solution, while the anodized finish and MoS2 lubrication enhance durability and performance. These features make the screws compliant with the stringent requirements of aerospace applications, ensuring safety, reliability, and efficiency.
Conclusion
In the demanding world of aerospace engineering, the BS EN 3381:2025 standard represents a pinnacle of innovation and quality. By adhering to this standard, manufacturers and engineers can be confident in the performance and reliability of their components, ensuring the success and safety of their aerospace projects. Whether you are involved in the design, manufacturing, or maintenance of aerospace systems, the BS EN 3381:2025 standard is an invaluable asset in achieving excellence in your field.
BS EN 3381:2025
This standard BS EN 3381:2025 Aerospace series. Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, anodized, MoS2 lubricated. Classification: 1 100 MPa (at ambient temperature)/315 °C is classified in these ICS categories:
- 49.030.20 Bolts, screws, studs