S-94105A426 3/4"-10 x 3/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in harsh industrial environments
• Exceptional thread engagement with Class 3A fit for vibration-resistant fastening in high-stress applications
• High-torque installation capability through 3/8" hex drive design, preventing tool slippage during assembly
• Optimized material strength with Rockwell C45 hardness alloy steel, maintaining structural integrity under heavy loads
• Reliable positioning accuracy with flat tip design that creates consistent seating surfaces on shafts and components
• Industry-standard compatibility through UNC coarse threads for quick assembly and interchangeability
• Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial use

Professional Applications & Engineering Value

This black-oxide alloy steel set screw delivers critical performance advantages for industrial machinery, automotive systems, and heavy equipment applications. The Class 3A thread fit provides superior vibration resistance compared to standard fasteners, preventing loosening in dynamic load conditions. Engineered with Rockwell C45 hardness, the screw maintains dimensional stability under extreme mechanical stress while the coarse UNC thread form enables rapid installation in production environments. The headless hex drive configuration allows for flush mounting in confined spaces where protruding fasteners would interfere with moving components. This combination of precision threading, high-strength material, and corrosion-resistant black-oxide surface treatment addresses common failure points in permanent fastening applications, ensuring long-term reliability in demanding industrial settings.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 specifications with Class 3A thread tolerances for precision fit. Features 3/4"-10 UNC coarse threads with right-hand orientation and flat tip configuration. The black-oxide alloy steel construction provides consistent performance across temperature variations. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in international markets. The 3/8" hex drive accommodates standard industrial tools while the headless design maintains clean profiles in assembled applications.