S-91925A171 1/2"-13 x 4 11/16" Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating on 12L14 steel for extended service life in demanding industrial environments
• Precise component positioning enabled by removable swivel tip with 10° maximum angle adjustment for secure fastening on uneven surfaces
• High-torque installation capability through 1/4" hex drive design that prevents tool slippage and ensures consistent clamping force
• Reliable thread engagement with Class 2A UNC coarse threads that provide quick assembly and vibration resistance in heavy-duty applications
• Space-saving headless design that allows flush mounting where protruding fastener heads are not permissible
• Enhanced material durability from 12L14 steel construction offering excellent machinability and strength for repeated use
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use across various industrial sectors

Professional Applications & Engineering Value

This 1/2"-13 UNC set screw delivers exceptional engineering value in applications requiring secure component fixation against rotational forces. The black-oxide 12L14 steel construction provides superior corrosion protection while maintaining the material's excellent machinability characteristics. The removable swivel tip addresses common challenges in fastening operations by accommodating surface irregularities up to 10°, ensuring full contact and preventing component damage. With its headless design and hex drive configuration, this fastener is ideal for machinery, automotive assemblies, and industrial equipment where space constraints and vibration resistance are critical concerns. The coarse UNC thread pattern facilitates quick installation and provides reliable performance in high-vibration environments, making it particularly valuable for maintenance operations and production line applications.

Specification Summary & Compliance

This set screw features Class 2A thread fit tolerance according to UNC standards, ensuring proper clearance and reliable engagement in industrial applications. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use across various markets without environmental restrictions. Manufacturing adheres to standard industrial specifications for 12L14 steel fasteners with black-oxide surface treatment, providing consistent performance and dimensional accuracy throughout the 4-11/16" length.