What is BS EN 4845 - Countersunk normal head screws for aerospace applications about?
BS EN 4845 is a standard that covers countersunk normal head screws for aerospace applications, ensuring stable operability and structural integrity in aerospace applications.
BS EN 4845 specifies the characteristics of externally threaded fasteners, 100° countersunk normal head, Spiral Drive Recess, short thread, in heat resisting steel FE-PA2601, passivated, for aerospace applications.
BS EN 4845 specifies classification for countersunk normal head screws depending on minimum tensile strength of 900 MPa and maximum operating temperature of 650 °C.
Who is BS EN 4845 - Countersunk normal head screws for aerospace applications for?
BS EN 4845 on countersunk normal head screws for aerospace applications applies to:
- Manufacturers of screws
- Dealers and importers of screws
- Testing houses for screws
- Quality assurance services
- Regulatory bodies
Why should you use BS EN 4845 - Countersunk normal head screws for aerospace applications?
A countersunk screw is one that is designed to sit flush against the object or surface it is inserted into. They ensure stable operability, durability and structural integrity in aerospace applications.
BS EN 4845 provides users guidance on requirements for screws including, configuration, dimensions, masses, tolerances of form and position, materials and surface treatment, enabling users to standardize the dimensional and physical properties of screws for aerospace applications.
BS EN 4845 provides users guidance on dimensions and masses depending on threads, diameters, length, recess code and mass, ensuring compatibility with existing systems and installations.
With obedience and compliance to BS EN 4845, users can develop and assess countersunk normal head screws, ensuring performance, resilience and vibration resistance in aerospace applications.