S-90910A781 2-56 x 1/8" ASME B18.3 Stainless Steel Button Head Torx Plus Screws
Stainless 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 IP6 drive, reducing cam-out and tool wear for reliable assembly.
- Excellent corrosion resistance from 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments.
- High mechanical strength with 60,000 psi tensile strength and Rockwell B55 hardness, ensuring long-term durability under load.
- Secure and precise thread engagement due to Class 2A UNC coarse threads, minimizing cross-threading risks.
- Fully threaded design for maximum grip and uniform stress distribution in fastened components.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.
- Compact and versatile with a 1/8" length and rounded button head, suitable for space-constrained applications.
Professional Applications & Engineering Value
These 2-56 UNC Torx Plus Rounded Head Screws are engineered to address common industrial challenges such as fastener failure due to vibration, corrosion, and high torque demands. Made from 18-8 Stainless Steel with a passivated finish, they resist oxidation and chemical exposure, making them ideal for electronics, machinery, and outdoor equipment. The Torx Plus IP6 drive ensures efficient torque transfer, reducing installation time and tool slippage in automated or manual assembly lines. With a fully threaded coarse UNC design and Class 2A thread fit, these screws provide reliable fastening in metals and plastics, enhancing product longevity and reducing maintenance costs in demanding industrial applications.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent engagement and UNC coarse threading with a 2-56 size. Manufacturing follows ASME B18.3 specifications, ensuring uniformity and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial uses.
