S-90939A125 8-32 x 3/4" 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 with A286 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 130,000 psi tensile strength and Rockwell C24 hardness for reliable performance under high stress
- Enhanced torque transmission through Torx T20 drive, reducing cam-out and tool wear
- Precise thread engagement with Class 2A fit UNC coarse threads ensuring secure fastening in various materials
- Low-profile rounded head design providing smooth surface finish while maintaining adequate clearance
- Full threading along 3/4" length for maximum grip and load distribution
- Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
These 8-32 UNC A286 stainless steel rounded head screws deliver critical performance advantages in demanding applications where corrosion resistance and high tensile strength are paramount. The Torx T20 drive system prevents stripping during high-torque installation, while the fully threaded coarse pitch design ensures rapid assembly and superior holding power in metals, plastics, and composite materials. Engineered for aerospace, automotive, and heavy equipment applications, these button head screws provide reliable fastening solutions where vibration resistance and long-term durability are essential. The combination of precision manufacturing and advanced material properties makes these screws ideal for critical assemblies requiring consistent performance under extreme conditions.
Specification Summary & Compliance
These screws feature Class 2A thread fit per UNC standards with right-hand coarse threading and precise dimensional control. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and material safety. The 0.312" head diameter and 0.087" head height provide optimal clearance while maintaining structural integrity under load.
