S-91925A163 1/2"-13 x 3 3/16" Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide coating on 12L14 steel, extending service life in demanding industrial environments
• Precise component positioning enabled by the removable swivel tip with 10° maximum angle adjustment
• Reliable thread engagement with Class 2A thread fit ensuring consistent fastening performance
• High-torque installation capability through the 1/4" hex drive design for secure assembly operations
• Optimized for heavy-duty applications with coarse UNC threads providing excellent holding power in machinery components
• Space-saving headless design allowing flush mounting where clearance is limited
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This 1/2"-13 UNC set screw delivers exceptional engineering value through its specialized Black-Oxide 12L14 Steel construction and innovative removable swivel tip design. The combination of coarse thread spacing and Class 2A thread fit ensures maximum resistance to vibration-induced loosening in heavy machinery, power transmission systems, and precision manufacturing equipment. The swivel tip technology addresses critical alignment challenges by accommodating angular misalignments up to 10°, preventing component damage during installation while maintaining precise positional control. The headless configuration with hex drive installation makes it ideal for applications where protruding fasteners would interfere with moving parts or require streamlined profiles. This industrial-grade set screw solves common fastening problems in pulley systems, gear assemblies, and coupling applications where reliable, long-term positioning is paramount.

Specification Summary & Compliance

Manufactured to precise UNC thread standards with Class 2A thread fit tolerance for consistent engagement and reliable performance. The 1/2"-13 thread size with coarse spacing provides optimal holding strength in various industrial materials. This set screw features a 3 3/16" length with right-hand thread direction and 1/4" hex drive for standardized installation. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.