S-96452A628 3/8"-16 x 1 1/4" 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 corrosion resistance with black-oxide coating for extended service life in harsh industrial environments
- Exceptional torque transmission through Torx Plus IP45 drive system, reducing cam-out and tool wear
- Premium load-bearing capacity with 120,000 psi tensile strength for demanding structural applications
- Precise thread engagement with Class 3A fit ensuring reliable fastening in critical assemblies
- Enhanced durability from Rockwell C39 hardened alloy steel construction
- Optimized head design with rounded button profile providing flush mounting and improved aesthetics
- Regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
These black-oxide alloy steel screws deliver exceptional performance in industrial applications where corrosion resistance and high-strength fastening are critical. The Torx Plus drive system (IP45/T45) provides superior torque transfer compared to conventional drives, minimizing stripping and enabling higher clamping forces in heavy-duty assemblies. The fully threaded UNC coarse thread design ensures maximum engagement in various materials, while the rounded button head offers a low-profile finish that reduces snagging hazards. Engineered to withstand rigorous operating conditions, these Class 3A thread fit fasteners maintain precision alignment in machinery, automotive, and construction applications where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit for superior dimensional accuracy. Features 3/8"-16 UNC coarse threads with right-hand orientation and full threading along the 1-1/4" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use in regulated industries. The black-oxide surface treatment provides additional corrosion protection while maintaining the 120,000 psi tensile strength and Rockwell C39 hardness of the underlying alloy steel material.
