S-95289A122 8-32 x 3/16" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black Oxide coating, extending service life in demanding industrial environments
• Exceptional thread engagement through Class 3A fit and coarse UNC threading for secure fastening in high-vibration applications
• Enhanced torque transmission with 5/64" hex drive design, preventing tool slippage during installation
• Precise component positioning enabled by extended tip design with controlled diameter tolerances
• Reliable mechanical performance from Rockwell C45 hardened alloy steel, maintaining integrity under heavy loads
• Space-saving headless configuration allowing flush mounting where clearance is limited
• Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards

Professional Applications & Engineering Value

This 8-32 UNC Class 3A set screw delivers critical engineering advantages for industrial assembly applications where vibration resistance and precise component alignment are paramount. The Black Oxide Alloy Steel construction combined with Rockwell C45 hardness provides exceptional durability against loosening under dynamic loads, while the extended tip design ensures positive seating in shaft collars, gears, and pulleys. The coarse thread spacing and Class 3A thread fit create superior holding power in machinery, automotive components, and power transmission systems. The headless configuration with 5/64" hex drive enables installation in confined spaces while maintaining high torque capability, making it ideal for precision equipment manufacturing and maintenance operations.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with UNC coarse threads in 8-32 size and Class 3A thread fit for precision tolerance. Features include 3/16" length with extended tip diameter of 0.109" (-0.006" to 0 tolerance) and tip length of 0.086" (-0.005" to 0 tolerance). Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.