S-90939A123 8-32 x 3/8" Stainless Steel Button Head Torx Screws
Stainless Steel Button Head Torx 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 and high-temperature performance from A286 stainless steel construction, ideal for demanding industrial environments
- Enhanced torque transmission and reduced cam-out risk with the precision T20 Torx drive, ensuring reliable installation and removal
- Exceptional mechanical strength with 130,000 psi tensile strength and Rockwell C24 hardness for heavy-duty applications
- Secure and reliable coarse thread engagement via the fully threaded 8-32 UNC design with Class 2A fit for vibration resistance
- Low-profile, rounded button head design provides a finished appearance while minimizing protrusion in assembled components
- Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries
- Right-hand threading with standardized dimensions for easy integration and replacement in existing assembly systems
Professional Applications & Engineering Value
Engineered for rigorous applications, these A286 stainless steel rounded head screws deliver outstanding performance in aerospace, automotive, and heavy machinery sectors where thermal stability and corrosion resistance are critical. The Torx T20 drive system prevents tool slippage, reducing assembly errors and component damage in high-torque scenarios. With a fully threaded 8-32 UNC coarse spacing and Class 2A thread fit, these screws ensure rapid installation and maintain clamping force under dynamic loads. The rounded button head profile offers a sleek, low-obstruction design, making them suitable for enclosures and fixtures requiring both aesthetic appeal and structural integrity.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 2A tolerance for consistent fit and function. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. Dimensions include a 3/8" length, 0.312" head diameter, and T20 Torx drive, ensuring precision across industrial fastener applications.
