S-90585A069 3/8"-24 x 2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh environments and extended service life
• Precise, secure fastening ensured by UNF Class 3A fine threading, providing excellent vibration resistance and reliable load distribution
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness, suitable for demanding structural applications
• Optimal flush mounting with standard 82° countersink angle and flat head design, creating a smooth surface finish
• Efficient installation and removal using the 7/32" hex drive, allowing for high torque application without slippage
• Full thread engagement along the entire 2" length, maximizing grip strength and pull-out resistance in deep materials
• Regulatory compliance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

This 316 stainless steel flat head screw delivers exceptional performance in corrosive and high-stress environments where fastener failure is not an option. The combination of UNF Class 3A fine threading and passivated finish provides superior resistance to vibration loosening and chemical attack, making it ideal for marine equipment, chemical processing plants, and food processing machinery. The 82° countersink angle ensures perfect flush mounting in precision applications, while the hex drive design allows for high torque installation in confined spaces. Engineered to maintain integrity under continuous load, these fully threaded screws offer reliable fastening solutions for critical assemblies requiring both strength and corrosion protection.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread fit for superior accuracy and UNF fine threading (3/8"-24). Complies with ASME B18.3 specifications for dimensional consistency and mechanical properties. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. Features include 2" length, 0.781" head diameter, and full threading throughout the shank length.