S-90600A139 3/8"-16 x 1 1/4" ASME B18.3 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 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments.
- Superior torque transmission and reduced cam-out thanks to the T45 Torx drive, ensuring secure fastening in high-stress applications.
- High tensile strength of 60,000 psi and Rockwell B55 hardness for reliable performance under heavy loads.
- Precise Class 3A thread fit on 3/8"-16 UNC coarse threads, providing excellent engagement and vibration resistance.
- Fully threaded design for maximum grip and uniform stress distribution along the entire 1 1/4" length.
- Low-profile rounded button head offers a sleek finish while minimizing protrusion in assembled components.
- Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This 3/8"-16 UNC T45 Torx Button Head Screw in 18-8 Stainless Steel is engineered to address critical challenges in industrial settings, such as corrosion, high vibration, and demanding mechanical loads. The passivated finish enhances its durability against moisture and chemicals, making it suitable for machinery, automotive assemblies, and outdoor equipment. With a Class 3A thread fit and coarse threading, it ensures quick installation and reliable hold in materials prone to loosening. The T45 Torx drive minimizes tool slippage, increasing efficiency in automated or manual fastening processes. Ideal for applications requiring high tensile strength and compliance with rigorous standards, this screw delivers long-term reliability in industrial fasteners and structural components.
Specification Summary & Compliance
This screw features precise Class 3A thread fit with UNC coarse threading (3/8"-16), ensuring tight tolerances and consistent performance. Manufactured in accordance with ASME B18.3 specifications, it guarantees dimensional accuracy and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), meeting environmental and safety standards for industrial use.
