S-92210A435 5/16"-24 x 2 1/2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments.
• Exceptional tensile strength of 70,000 PSI ensures reliable, long-lasting fastening under heavy loads.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies.
• Hex drive design allows for high-torque installation and easy removal with standard tools.
• Fully threaded shank maximizes grip and load distribution across the entire length.
• 82° countersink angle enables a flush, low-profile finish for streamlined surfaces.
• Compliance with ASME, RoHS 3, and REACH guarantees quality and environmental safety for industrial use.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 5/16"-24 UNF Class 3A flat head screws address critical challenges like corrosion, vibration loosening, and high-stress fatigue. The 18-8 stainless steel material, enhanced by a passivated finish, resists rust and chemical exposure, making them ideal for machinery, marine equipment, and outdoor structures. The fine UNF thread and Class 3A fit ensure minimal backlash and superior holding power in precision assemblies, while the hex drive facilitates quick, secure installation in confined spaces. These features collectively reduce maintenance needs and enhance the durability of industrial fasteners in heavy-duty applications.

Specification Summary & Compliance

This screw adheres to Class 3A thread fit for high precision and meets ASME B18.3 standards for dimensional consistency. It is manufactured in the inch system with a 5/16"-24 UNF fine thread, fully threaded design, and 82° countersink angle. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures it is free from hazardous substances, supporting safe and sustainable industrial operations.