S-91783A196 8-32 x 5/8" ASME B18.6.3 Stainless Steel Round Head Slotted 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 offering 100,000 psi tensile strength and Rockwell B100 hardness for reliable, high-stress applications
• Precision thread engagement with UNC coarse threads and Class 2A fit ensuring secure fastening and reduced cross-threading risk
• Full threading design provides maximum grip length and uniform load distribution across the entire fastener
• Industry-standard compliance with ASME B18.6.3 specifications for guaranteed dimensional accuracy and performance
• Simplified installation and removal with traditional slotted drive design compatible with standard tools
• Environmental regulation compliance meeting RoHS 3 and REACH requirements for safe use in regulated industries

Professional Applications & Engineering Value

These 8-32 UNC coarse thread rounded head slotted screws deliver critical performance advantages for industrial assembly applications where corrosion resistance and mechanical reliability are paramount. The combination of 18-8 Stainless Steel material with passivated finish creates a robust barrier against oxidation and chemical exposure, making them ideal for marine, food processing, and chemical equipment applications. The fully threaded design ensures maximum thread engagement in various material thicknesses, while the coarse thread pitch facilitates quicker installation and superior vibration resistance compared to fine-thread alternatives. The rounded head profile with slotted drive offers a traditional, low-profile fastening solution that remains accessible for maintenance while minimizing snag hazards in moving machinery applications.

Specification Summary & Compliance

This precision fastener features 8-32 UNC coarse threads with Class 2A thread fit tolerance for consistent engagement and reliable performance. Manufactured to ASME B18.6.3 specifications ensuring dimensional accuracy across all critical parameters including head diameter (0.309"), head height (0.12"), and overall length (5/8"). The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for use in regulated industries and international markets. The right-hand threading direction and fully threaded construction provide standardized installation compatibility across industrial applications.