S-90910A680 2-56 x 3/16" 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 corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Enhanced torque transmission and reduced cam-out thanks to Torx Plus IP6 drive, ensuring secure fastening and extended tool life
- High mechanical strength with 60,000 psi tensile strength and Rockwell B55 hardness for reliable performance under stress
- Precise and reliable thread engagement with Class 2A UNC coarse threads, providing consistent clamping force
- Fully threaded design for maximum grip along the entire length, improving holding power in various materials
- Compliant with major industry standards including ASME B18.3, ensuring interchangeability and quality assurance
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements
Professional Applications & Engineering Value
These 2-56 UNC rounded head Torx Plus screws are engineered to address critical challenges in precision assembly and demanding environments. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional resistance to oxidation and chemical exposure, making them suitable for electronics, medical devices, and outdoor equipment. The Torx Plus IP6 drive minimizes slippage and distributes torque evenly, preventing damage to the screw head and ensuring consistent tightening in automated or manual applications. With a fully threaded design and Class 2A thread fit, these screws deliver reliable performance in high-vibration settings, reducing the risk of loosening and maintenance needs.
Specification Summary & Compliance
These screws feature a 2-56 UNC coarse thread with Class 2A tolerance for precise fit, a length of 3/16 inch, and a rounded button head profile. They are manufactured in compliance with ASME B18.3 specifications and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safety and reliability for industrial use.
