S-96640A021 2-56 x 3/16" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel, ideal for harsh industrial environments.
• Exceptional tensile strength of 80,000 psi ensures reliable performance under high-stress applications.
• Rockwell B80 hardness provides excellent durability and resistance to wear over time.
• Fully threaded design maximizes grip and holding power for secure fastening.
• Standard 82° countersink angle allows for a flush, professional finish in countersunk holes.
• Class 2A thread fit with UNC coarse threading ensures easy assembly and consistent engagement.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality and environmental safety for global supply chains.

Professional Applications & Engineering Value

Engineered for precision and reliability, these 2-56 UNC Flat Head Phillips machine screws are crafted from Black-Oxide 18-8 Stainless Steel to combat corrosion in demanding settings like electronics assembly, machinery, and outdoor equipment. The fully threaded design and UNC coarse thread provide rapid installation and robust holding strength, reducing the risk of loosening under vibration. With an 82° countersink angle and No. 1 Phillips drive, they enable seamless, low-profile mounting, minimizing protrusion and enhancing safety. Ideal for applications requiring ASME B18.6.3 compliance, these screws deliver consistent performance in industrial fastening, ensuring long-term durability and minimal maintenance.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threading for accurate engagement, with dimensions including a 3/16" length and standard flat head profile. It meets ASME B18.6.3 specifications for dimensional consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards in industrial use.