S-94105A424 5/8"-18 x 3/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide finish, extending service life in demanding industrial environments
• Exceptional thread precision with Class 3A fit ensures secure, vibration-resistant fastening in critical applications
• High-strength durability from alloy steel construction with Rockwell C45 hardness for reliable load-bearing performance
• Optimal torque transmission through 5/16" hex drive design, preventing tool slippage during installation
• Secure positioning capability with flat tip design that provides maximum contact surface for stable component alignment
• Industry-standard compliance meeting ASME B18.3 specifications for guaranteed interchangeability and quality
• Environmental regulation adherence with RoHS 3 and REACH compliance for safe use across global markets

Professional Applications & Engineering Value

This black-oxide alloy steel set screw delivers exceptional engineering value in applications requiring precise component positioning and vibration resistance. The Class 3A thread fit with UNF fine threads creates superior clamping force distribution, effectively preventing loosening in high-vibration machinery, automotive assemblies, and precision equipment. The headless hex socket set screw design allows for flush mounting in confined spaces while the flat tip ensures maximum surface contact for secure shaft positioning. Manufactured from alloy steel with Rockwell C45 hardness, this fastener maintains structural integrity under heavy rotational loads and repeated adjustments, making it ideal for permanent installations in industrial machinery, power transmission systems, and precision manufacturing equipment where reliability is paramount.

Specification Summary & Compliance

This 5/8"-18 UNF set screw features precise Class 3A thread fit with fine thread spacing for superior engagement. The fastener maintains dimensional accuracy per ASME B18.3 manufacturing standards and demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. With a consistent thread diameter of 0.625" and 3/4" length, this component ensures reliable performance in industrial fastening applications requiring exact specifications and regulatory adherence.