S-90910A517 8-32 x 1" ASME B18.3, ASTM F835 Steel Button Head Torx Plus Screws
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 torque transmission with Torx Plus IP15 drive, reducing cam-out and tool wear for reliable fastening in high-stress applications
- Exceptional tensile strength of 120,000 psi ensures reliable performance in demanding industrial environments
- Enhanced corrosion resistance through zinc plating, extending service life in various operating conditions
- Precise Class 3A thread fit provides consistent engagement and vibration resistance in critical assemblies
- Optimized drive efficiency with T15 Torx Plus compatibility, enabling faster installation and reduced operator fatigue
- Rockwell C39 hardness maintains thread integrity and prevents stripping during repeated use
- Full threading design allows complete engagement along the entire 1" length for maximum holding power
Professional Applications & Engineering Value
These 8-32 UNC Torx Plus screws deliver exceptional engineering value in industrial fastening applications where reliability and precision are paramount. The zinc-plated alloy steel construction provides superior corrosion protection while maintaining the high tensile strength required for heavy-duty assemblies. The Torx Plus IP15 drive system addresses common installation challenges by eliminating cam-out issues that plague traditional drive types, ensuring consistent torque application in automated or manual assembly processes. The Class 3A thread fit with coarse thread spacing offers excellent vibration resistance in machinery, electrical enclosures, and structural components, while the rounded head design provides a low-profile finish that minimizes snagging in confined spaces.
Specification Summary & Compliance
These rounded head screws feature precise 8-32 UNC thread with Class 3A fit and coarse thread spacing, manufactured to exacting dimensional standards. The fasteners comply with ASME B18.3 specifications (ASTM F835) and meet critical regulatory requirements including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance. With a Rockwell C39 hardness rating and fully threaded 1" length configuration, these screws maintain dimensional stability and performance consistency across industrial applications.
