S-91802A209 8-32 x 3" 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
• Precise thread engagement through Class 2A UNC coarse threads ensuring secure fastening in various materials
• Optimized drive efficiency with Phillips No. 2 drive design for controlled torque application and reduced cam-out
• Enhanced flush mounting capability with standard oval head profile and 82° countersink angle for smooth surface finishes
• Reliable partial threading design providing maximum grip length while minimizing thread damage during installation
• Full regulatory compliance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 8-32 flat head screws deliver exceptional performance where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides superior protection against chemical exposure and environmental factors, making them ideal for marine equipment, food processing machinery, and outdoor structures. The partially threaded design with UNC coarse threads ensures optimal grip in both metallic and non-metallic substrates, while the oval head profile with Phillips No. 2 drive facilitates efficient installation in confined spaces. These industrial fasteners maintain consistent performance under vibration and thermal cycling conditions, offering engineers a reliable solution for permanent assemblies requiring Class 2A thread fit precision and long-term durability.

Specification Summary & Compliance

This 3 inch stainless steel screw features precise dimensional control with Class 2A thread fit tolerance and UNC coarse threading (8-32 size) according to ASME B18.6.3 manufacturing standards. The partially threaded screw design provides 1½" minimum thread length with right-hand orientation. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across various industrial sectors. Manufacturing specifications include 82° countersink angle, standard oval head profile, and inch system measurements for consistent performance in North American and international applications.