S-90910A771 8-32 x 1/2" ASME B18.3 Stainless Steel Button Head Torx Plus Screws
Stainless Steel Button Head Torx Plus Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Enhanced torque transmission and reduced cam-out with Torx Plus IP15 drive for secure, efficient installations
- High mechanical strength offering 60,000 psi tensile strength and Rockwell B55 hardness for reliable performance under stress
- Precise thread engagement with UNC coarse threads and Class 2A fit ensuring consistent, vibration-resistant fastening
- Low-profile, rounded button head design provides a smooth finish and reduces snagging in confined spaces
- Full compliance with industry standards including ASME B18.3 for dimensional accuracy and RoHS 3/REACH for environmental safety
- Versatile right-hand threading with full threading for uniform load distribution and quick assembly in various materials
Professional Applications & Engineering Value
Engineered for demanding industrial assembly and precision equipment applications, these 8-32 x 1/2" rounded head screws deliver exceptional value through their 18-8 stainless steel material and passivated finish, which combat corrosion in moist or chemical-exposed settings. The Torx Plus IP15 drive minimizes tool slippage, enhancing installation speed and reducing damage to fastener heads—critical in automated or high-torque environments. With UNC coarse threads and Class 2A fit, they ensure quick, secure fastening in metals and plastics, preventing loosening from vibrations. Ideal for electronics enclosures, machinery panels, and automotive components, these screws support efficient, reliable assemblies while meeting strict regulatory and performance standards.
Specification Summary & Compliance
This screw adheres to ASME B18.3 specifications for dimensional consistency, featuring a UNC 8-32 thread size with Class 2A tolerance for precise fit. The coarse thread spacing and right-hand direction facilitate easy installation. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for global supply chain integration.
