S-92210A083 2-56 x 5/8" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh environments and extended service life.
• High tensile strength of 70,000 psi ensures reliable, heavy-duty fastening for demanding industrial applications.
• Precision Class 3A thread fit guarantees consistent, secure engagement and reduces the risk of cross-threading.
• Hex drive (0.050") design provides excellent torque transmission and minimizes driver slippage during installation.
• 82° countersink angle and flat head allow for a flush, low-profile finish, enhancing aesthetics and safety.
• Full threading along the 5/8" length offers maximum grip and adjustability in a variety of material thicknesses.
• Compliance with ASME B18.3, RoHS 3, and REACH ensures product reliability and adherence to international quality and environmental standards.

Professional Applications & Engineering Value

Engineered for precision and durability, these 2-56 UNC flat head screws are crafted from 18-8 Stainless Steel with a passivated finish to combat corrosion in demanding settings like electronics, aerospace, and marine equipment. The coarse thread spacing and Class 3A thread fit provide rapid assembly and vibration resistance, reducing maintenance needs. With a hex drive for secure tool engagement and an 82° countersink for seamless integration, they solve common issues of fastener failure and misalignment, ensuring long-term performance in industrial screw applications.

Specification Summary & Compliance

This fastener features a 2-56 UNC thread size with Class 3A fit for precise dimensional accuracy, and is fully threaded for consistent holding power. It complies with ASME B18.3 manufacturing standards, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and reliability in global supply chains.