S-91802A254 10-24 x 2 1/4" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 PSI tensile strength and Rockwell B80 hardness for reliable load-bearing performance
• Optimized thread engagement through UNC coarse threading and Class 2A fit for quick installation and vibration resistance
• Enhanced surface protection from passivation treatment that extends service life in corrosive conditions
• Secure Phillips drive engagement with No. 2 drive size for controlled torque application during assembly
• Precision oval head design with standard profile for flush mounting and improved aesthetic finish
• Partial threading configuration allowing unthreaded shank section for precise clamping force distribution

Professional Applications & Engineering Value

These passivated 18-8 stainless steel oval head screws deliver critical performance advantages in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The combination of 80,000 PSI tensile strength and Rockwell B80 hardness ensures dependable fastening in mechanical assemblies, construction frameworks, and equipment manufacturing. The partial threading design provides superior clamping force control, while the UNC coarse threads facilitate rapid installation in various materials. The passivated surface treatment creates an additional protective oxide layer, making these Phillips drive flat head screws ideal for marine environments, chemical processing equipment, and outdoor structures where moisture and corrosive elements are constant challenges. The oval head profile ensures smooth, flush mounting while maintaining structural integrity under dynamic loads.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 specifications with precision Class 2A thread fit and UNC coarse threading (10-24 size). Features include 2-1/4" length with 1-1/2" minimum thread length, 0.362" head diameter, and 82° countersink angle. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.