S-90585A032 10-24 x 2 1/2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term performance
• Precise flush installation enabled by the 82° countersink angle and standard flat head profile for seamless surface finishing
• High thread reliability with Class 3A thread fit and UNC coarse thread spacing, ensuring secure fastening in demanding applications
• Efficient installation and removal using the 1/8" hex drive, providing superior torque transmission and tool engagement
• Full-length threading offers consistent grip along the entire 2 1/2" length for maximum holding power
• Regulatory compliance assurance with ASME B18.3 specifications, RoHS 3, and REACH compliance for global market acceptance

Professional Applications & Engineering Value

These 10-24 UNC flat head screws in 316 stainless steel deliver exceptional value in corrosive or high-stress environments where fastener failure is not an option. The combination of 70,000 psi tensile strength and Rockwell B55 hardness ensures these fully threaded screws maintain structural integrity under vibration and heavy loads. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, making these industrial screws ideal for marine applications, chemical processing equipment, and food processing machinery where moisture and aggressive chemicals are present. The 82° countersink angle and flat head design provide a clean, flush installation that eliminates protrusions in precision assemblies. With hex drive compatibility and Class 3A thread fit, these fasteners offer reliable installation torque and superior thread engagement for critical connections in machinery, structural frameworks, and heavy-duty equipment.

Specification Summary & Compliance

These flat head screws feature precise dimensional control with Class 3A thread fit per UNC standards and head diameter tolerance of -0.052" to 0". Manufacturing complies with ASME B18.3 specifications for consistent quality and performance. The products are RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental and safety regulations for hazardous substance restrictions. The 316 stainless steel material with passivated finish ensures corrosion resistance while maintaining the mechanical properties required for industrial applications.