S-90910A516 8-32 x 3/4" ASME B18.3, ASTM F835 Steel Button Head Torx Plus Screws

Key Features & Benefits at a Glance

• Superior torque transmission with Torx Plus IP15 drive design, reducing cam-out and tool wear for reliable fastening in high-stress applications.
• Enhanced corrosion resistance from zinc-plated alloy steel construction, ensuring long-term durability in harsh industrial environments.
• Exceptional tensile strength of 120,000 PSI provides reliable load-bearing capacity and resistance to mechanical failure under heavy loads.
• Precise Class 3A thread fit delivers secure, vibration-resistant connections with minimal risk of loosening in critical assemblies.
• Fully threaded design allows for maximum grip length and uniform stress distribution across the entire fastener.
• Rounded button head profile offers a low-profile, aesthetically pleasing finish while reducing snagging hazards in confined spaces.
• Compliance with ASME B18.3, RoHS 3, and REACH standards ensures consistent quality, safety, and environmental responsibility for global supply chains.

Professional Applications & Engineering Value

These 8-32 UNC Torx Plus rounded head screws are engineered to address common industrial fastening challenges, including vibration-induced loosening and corrosion in demanding environments. The zinc-plated alloy steel construction combined with Rockwell C39 hardness provides excellent wear resistance and longevity, making them ideal for machinery, automotive assemblies, and electronic enclosures. The Torx Plus IP15 drive ensures efficient torque transfer, minimizing strip-out and enabling consistent installation in high-volume production. With coarse thread spacing and fully threaded design, they offer quick assembly and reliable holding power in materials where fine adjustments are unnecessary. This combination of high tensile strength and precise Class 3A thread fit delivers dependable performance in applications requiring repeated disassembly and reassembly.

Specification Summary & Compliance

This fastener features precise UNC coarse threads with Class 3A fit for superior thread engagement and tolerance control. Manufacturing adheres to ASME B18.3 specifications (referencing ASTM F835) for dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use worldwide.