S-97763A314 2-56 x 3/16" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and reducing replacement frequency.
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads, minimizing failure risks.
- Precise Class 3A thread fit provides superior engagement and vibration resistance for secure assemblies.
- Fully threaded design maximizes holding power and allows for consistent fastening across the entire length.
- Hex drive (0.050") offers easy installation with standard tools, reducing assembly time and effort.
- Rockwell B55 hardness enhances durability and wear resistance, extending the screw's service life.
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global applications.
Professional Applications & Engineering Value
This 2-56 UNC Rounded Head Screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress demands. The Black-Oxide 18-8 Stainless Steel material provides excellent protection against rust and chemical exposure, making it suitable for outdoor, marine, and electronic enclosures. With a coarse thread and Class 3A fit, it ensures quick, secure fastening in metals and plastics, reducing the risk of strip-out. The rounded head style and hex drive facilitate smooth installation in tight spaces, while the fully threaded design offers uniform clamping force. Ideal for precision assemblies in aerospace, automotive, and machinery, this screw delivers reliable performance where durability and regulatory compliance are critical.
Specification Summary & Compliance
This product features a 2-56 UNC coarse thread with Class 3A precision fit for tight tolerances and optimal thread engagement. Dimensions include a 3/16" length, 0.164" head diameter, and 0.050" hex drive size. It is manufactured in accordance with ASME B18.3 standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial reliability.
