S-90388A514 M6 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 specialized T27 Torx drive prevents unauthorized access in security-sensitive environments
• Superior corrosion protection from black-oxide surface treatment extends service life in demanding industrial conditions
• High-load capacity with 130,000 psi tensile strength and Rockwell C38 hardness ensures reliable performance under stress
• Precision thread engagement through Class 6g fit and coarse 1 mm pitch enables faster installation and secure fastening
• Optimized head design with rounded button profile provides smooth surface finish while maintaining tool engagement
• Full thread coverage along the 25mm length ensures maximum grip strength across the entire fastener
• Global compliance assurance meeting both ASME B18.3.4M and ISO 7380 standards for international project compatibility

Professional Applications & Engineering Value

These M6 metric screws with tamper-resistant Torx drive address critical security and durability challenges in industrial applications. The black-oxide alloy steel construction provides exceptional corrosion resistance for machinery, electronic enclosures, and public infrastructure where environmental exposure is a concern. The fully threaded design with coarse 1 mm pitch ensures rapid installation in production environments while maintaining vibration resistance. Engineering teams specify these security screws for access panels, control systems, and transportation equipment where unauthorized tampering could compromise safety or functionality. The combination of 130,000 psi tensile strength and precise Class 6g thread fit delivers reliable performance in high-vibration applications without compromising disassembly for maintenance.

Specification Summary & Compliance

Manufactured to exacting metric thread standards with Class 6g tolerance for precision fit. Complies with ASME B18.3.4M and ISO 7380 mechanical specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. Features right-hand coarse thread spacing with 1 mm pitch and complete threading along the 25mm length. The black-oxide surface treatment provides additional corrosion protection while maintaining dimensional accuracy.