S-91500A354 8-32 x 5/8" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B80 hardness for reliable performance under heavy loads
• Precision thread engagement through Class 2A thread fit and UNC coarse threading ensures secure fastening and vibration resistance
• Enhanced durability with passivated surface finish that increases corrosion resistance and extends service life
• Optimal flush mounting with standard 82° countersink angle and flat head design for smooth surface finishes
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and performance reliability
• Environmental responsibility with RoHS 3 and REACH compliance, ensuring safe use in regulated applications

Professional Applications & Engineering Value

These 8-32 UNC flat head Phillips screws in 316 stainless steel deliver critical performance advantages for demanding industrial applications. The combination of passivated finish and premium marine-grade stainless steel provides exceptional protection against corrosion in chemical processing, marine, and food processing equipment. The fully threaded design with coarse thread spacing ensures maximum grip strength and pull-out resistance in soft materials and sheet metal assemblies. The flat head profile with standard 82° countersink angle enables flush mounting for safety-critical applications where protruding fasteners pose hazards. These screws solve common engineering challenges by maintaining structural integrity in high-moisture environments while providing reliable, repeatable fastening performance that meets rigorous industrial standards.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC thread form ensuring consistent performance across applications. These screws comply with ASME B18.6.3 specifications for mechanical properties and dimensional requirements. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming they're free from restricted substances. The 5/8" length and standardized Phillips No. 2 drive provide compatibility with common installation tools and automated assembly systems.