S-90388A114 M4 x 6 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 T15 drive design to prevent unauthorized access in security-sensitive applications
• Superior corrosion protection from black-oxide coating on alloy steel, extending service life in demanding environments
• High mechanical strength with 130,000 psi tensile strength and Rockwell C38 hardness for reliable performance under stress
• Secure fastening engagement through Class 6g thread fit and coarse M4x0.7mm threading for vibration resistance
• Low-profile installation with rounded button head design that minimizes protrusion while providing ample bearing surface
• Global compliance assurance meeting both ASME B18.3.4M and ISO 7380 standards for international project compatibility
• Environmental regulation adherence with full RoHS 3 and REACH compliance for responsible manufacturing

Professional Applications & Engineering Value

These M4 metric screws with tamper-resistant Torx drive provide critical security solutions for industrial equipment, electronic enclosures, and public infrastructure where unauthorized access prevention is paramount. The black-oxide alloy steel construction delivers exceptional corrosion resistance in humid or chemically aggressive environments, while the fully threaded design with Class 6g precision ensures consistent clamping force distribution. The rounded button head profile offers a streamlined appearance that reduces snagging hazards in consumer-facing applications. Engineered to withstand vibrational stresses with their coarse thread pitch and high tensile strength, these fasteners maintain joint integrity in machinery, transportation equipment, and security systems where reliability cannot be compromised.

Specification Summary & Compliance

This M4 x 0.7mm x 6mm fastener features Class 6g thread fit tolerance per metric standards with right-hand coarse threading. Manufacturing specifications strictly adhere to ASME B18.3.4M and ISO 7380 dimensional requirements. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, ensuring environmental responsibility and global market acceptance.