S-92210A806 5/8"-11 x 3" 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 for long-lasting performance in harsh environments.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
• Precise Class 3A thread fit ensures reliable engagement and vibration resistance in coarse UNC threading.
• Efficient 3/8" hex drive allows for high-torque installation and removal with standard tools.
• Optimized 82° countersink angle provides a flush, secure fit in standard countersunk holes.
• Full threading along the 3" length delivers maximum grip and adjustability in deep materials.
• Compliance with ASME B18.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this 5/8"-11 UNC flat head screw addresses critical needs for durability and precision. The 18-8 Stainless Steel construction, enhanced by a passivated finish, combats corrosion in moist or chemical-exposed settings, reducing maintenance and replacement costs. Its coarse thread and Class 3A fit provide excellent holding power in metals and composites, minimizing loosening under vibration. The hex drive and flat head design ensure easy installation in confined spaces, making it ideal for machinery, structural assemblies, and equipment requiring a flush surface finish and reliable fastening under high stress.

Specification Summary & Compliance

This screw features a 5/8"-11 UNC coarse thread with Class 3A fit for precise dimensional accuracy, fully threaded along a 3" length. It conforms to ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international quality and environmental standards.