S-90388A116 M4 x 10 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 Torx T15 drive that deters unauthorized access while allowing secure installation
• Superior corrosion protection through black-oxide surface treatment, extending service life in demanding environments
• High mechanical strength with 130,000 psi tensile strength and Rockwell C38 hardness for reliable performance under stress
• Precision thread engagement with Class 6g metric threading ensuring consistent fit and vibration resistance
• Streamlined installation through fully threaded design and rounded button head profile that reduces assembly time
• Regulatory compliance assurance meeting international standards including ASME B18.3.4M and ISO 7380 for quality consistency
• Secure fastening solution combining tamper-resistant drive with alloy steel construction for critical applications

Professional Applications & Engineering Value

These M4 metric screws with tamper-resistant Torx drive address critical security and reliability challenges in industrial applications. The black-oxide alloy steel construction provides exceptional corrosion resistance while maintaining high tensile strength, making them ideal for security panels, electronic enclosures, and access control systems where unauthorized tampering must be prevented. The Class 6g thread fit ensures precise engagement with mating components, reducing the risk of cross-threading during installation. The combination of fully threaded design and rounded button head creates a low-profile fastening solution that withstands vibration while maintaining aesthetic appeal in visible applications. These metric fasteners deliver engineering value through their balanced approach to security, durability, and installation efficiency.

Specification Summary & Compliance

These security screws feature M4 x 0.7 mm coarse thread with Class 6g tolerance for precision fit, manufactured to ASME B18.3.4M and ISO 7380 standards. The fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and material safety. With 10 mm length and T15 tamper-resistant Torx drive, these screws maintain dimensional accuracy and performance consistency across production batches.