S-90484A183 6-32 x 3/8" ASME B18.3, ASTM F835 Tamper-Resistant Hex-Drive Steel Button Head Screws

Key Features & Benefits at a Glance

• Superior tamper resistance with specialized hex drive requiring matching tools, preventing unauthorized access in secure environments
• Exceptional durability from Black-Oxide Alloy Steel construction providing reliable corrosion resistance and long service life
• High mechanical strength with 130,000 psi tensile strength and Rockwell C39 hardness for demanding industrial applications
• Precise thread engagement with Class 3A UNC coarse threads ensuring secure fastening and vibration resistance
• Easy installation and removal with standard right-hand threading and fully threaded design for consistent clamping force
• Low-profile rounded button head offering smooth appearance while maintaining structural integrity
• Regulatory compliance meeting ASME B18.3 standards and environmental regulations for global industrial use

Professional Applications & Engineering Value

These tamper-resistant hex screws provide critical security solutions for industrial equipment, electronic enclosures, and public infrastructure where unauthorized access must be prevented. The Black-Oxide Alloy Steel construction delivers excellent corrosion resistance while maintaining the 130,000 psi tensile strength required for high-stress applications. The Class 3A UNC coarse threads ensure rapid installation and reliable performance in vibration-prone environments. The rounded button head design minimizes protrusion while the tamper-resistant drive system maintains security integrity. These industrial screws are engineered to meet rigorous ASME B18.3 standards, making them ideal for OEM manufacturing, maintenance operations, and security-sensitive installations where reliability and protection against tampering are paramount.

Specification Summary & Compliance

This security screw features precision 6-32 UNC coarse threads with Class 3A fit for superior thread engagement and dimensional accuracy. Manufactured to ASME B18.3 specifications (ASTM F835) with complete RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. The fastener maintains strict dimensional tolerances with 0.262" head diameter and 3/8" length, ensuring consistent performance across industrial applications while meeting international environmental and safety standards.