S-90388A515 M6 x 30 mm ASME B18.3.4M, ISO 7380 Tamper-Resistant Torx Steel Button Head Screws

Key Features & Benefits at a Glance

• Enhanced security and tamper resistance with the specialized Torx T27 drive, deterring unauthorized access in sensitive applications.
• Superior corrosion protection from the black-oxide finish on alloy steel, ensuring long-term reliability in harsh environments.
• High mechanical strength and durability with a Rockwell C38 hardness and 130,000 psi tensile strength, providing reliable performance under stress.
• Secure and precise fastening due to the fully threaded M6 x 1 mm coarse thread with Class 6g fit, offering excellent grip and vibration resistance.
• Low-profile, rounded button head design for a smooth finish and reduced snagging, ideal for applications where a flush or aesthetic appearance is important.
• Compliance with international standards including ASME B18.3.4M and ISO 7380, ensuring interchangeability and quality assurance.
• Environmental and regulatory safety with RoHS 3 and REACH compliance, making them suitable for use in regulated industries.

Professional Applications & Engineering Value

These M6 metric screws are engineered to address critical challenges in industrial and security-focused applications. The black-oxide alloy steel construction provides excellent resistance to rust and wear, extending service life in demanding conditions such as outdoor equipment, machinery, and electronic enclosures. The tamper-resistant Torx T27 drive ensures that fasteners remain secure in public or high-theft-risk environments, preventing unauthorized disassembly. With a fully threaded design and Class 6g thread fit, these screws deliver consistent clamping force and are less prone to loosening under vibration, making them ideal for assembly lines, automotive components, and telecommunications infrastructure. Their rounded button head offers a clean, snag-free profile, suitable for consumer electronics and fixtures where safety and aesthetics are paramount.

Specification Summary & Compliance

This screw features an M6 x 1 mm coarse metric thread with a Class 6g tolerance for precise fit. It is manufactured in accordance with ASME B18.3.4M and ISO 7380 specifications, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various markets without hazardous substances.