S-90388A513 M5 x 25 mm ASME B18.3.4M, ISO 7380 Tamper-Resistant Torx Steel Button Head Screws

Key Features & Benefits at a Glance

• Enhanced tamper resistance with Torx T25 drive for superior security in public or restricted-access environments.
• Exceptional durability and corrosion resistance from black-oxide alloy steel, ideal for harsh industrial conditions.
• High mechanical strength with 130,000 psi tensile strength and Rockwell C38 hardness for reliable load-bearing applications.
• Secure and precise fastening ensured by Class 6g thread fit and fully threaded coarse pitch design.
• Broad compatibility and standardization through compliance with ASME B18.3.4M and ISO 7380 specifications.
• Environmental and safety compliance with RoHS 3 and REACH regulations for responsible industrial use.
• Easy installation and removal with right-hand threading and rounded button head design, minimizing snagging.

Professional Applications & Engineering Value

These M5 metric screws with tamper-resistant Torx drive address critical security and reliability needs in industrial settings. The black-oxide alloy steel construction provides excellent resistance to wear and environmental factors, while the fully threaded coarse pitch and Class 6g thread fit ensure vibration-resistant, precise fastening in machinery, electronics, and public infrastructure. With a 130,000 psi tensile strength and standardized ISO 7380 design, they prevent unauthorized access and reduce maintenance frequency, making them ideal for security panels, transportation equipment, and automated systems where durability and compliance are paramount.

Specification Summary & Compliance

This screw features M5 x 0.8 mm coarse thread with Class 6g tolerance for precise fit, manufactured to ASME B18.3.4M and ISO 7380 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for global industrial applications.