S-90939A124 8-32 x 1/2" 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
- Exceptional corrosion resistance with A286 stainless steel construction for long-term reliability in harsh environments
- Superior mechanical strength with 130,000 psi tensile strength and Rockwell C24 hardness for demanding applications
- Enhanced torque transmission through T20 Torx drive design, reducing cam-out and tool wear
- Precise thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
- Streamlined installation with fully threaded design and rounded button head profile for flush mounting
- Environmental compliance meeting RoHS 3 and REACH standards for sustainable manufacturing practices
- Optimized head geometry with 0.312" diameter providing excellent bearing surface without protruding
Professional Applications & Engineering Value
These A286 stainless steel Torx button head screws deliver critical performance advantages for industrial applications where corrosion resistance and high tensile strength are paramount. The 8-32 UNC coarse thread configuration ensures rapid installation and superior holding power in materials prone to vibration loosening. Engineered with fully threaded construction and Class 2A fit, these fasteners maintain precise dimensional accuracy while the T20 Torx drive eliminates stripping common in Phillips head alternatives. Ideal for aerospace components, chemical processing equipment, and marine hardware, these rounded head screws provide reliable fastening solutions where environmental exposure and mechanical stress demand exceptional durability and compliance with international standards.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread specifications. The 8-32 thread size with right-hand threading ensures compatibility with standard industrial applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to restricted substance directives. The combination of 130,000 psi tensile strength and Rockwell C24 hardness validates mechanical performance exceeding conventional stainless steel fasteners for critical engineering applications.
