S-91790A145 6-32 x 5/16" ASME B18.6.3 Stainless Steel Slotted Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable performance under high stress
• Precision thread engagement with Class 2A fit and UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized head design featuring standard oval profile with 82° countersink angle for flush mounting and improved aesthetics
• Full threading capability providing maximum grip length and uniform load distribution across the entire fastener
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
• Versatile installation with slotted drive design accommodating standard tools for easy assembly and maintenance

Professional Applications & Engineering Value

These 6-32 UNC oval head slotted screws deliver critical performance advantages in demanding industrial applications. The 18-8 stainless steel composition combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, making them ideal for marine equipment, food processing machinery, and outdoor installations. The fully threaded design ensures maximum holding power in thin materials and tight spaces, while the oval head profile with standard dimensions allows for clean, flush mounting in countersunk applications. Engineered to ASME B18.6.3 standards, these flat head screws maintain dimensional consistency and reliable performance in assembly lines, electronic enclosures, and precision equipment where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

This 5/16" length screw features 6-32 UNC coarse threads with Class 2A fit tolerance for precise engagement. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring restricted substance compliance for global markets. The right-hand thread direction and standardized oval head profile maintain compatibility with industry-standard installation practices and tooling.