S-94105A428 3/4"-10 x 1 1/4" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Exceptional vibration resistance through Class 3A thread precision and coarse UNC threading for secure, long-term fastening in high-stress environments
• Superior corrosion protection with black-oxide coating on alloy steel, extending service life in demanding industrial conditions
• High mechanical strength from Rockwell C45 hardness, providing reliable holding power without deformation under heavy loads
• Easy installation and removal with 3/8" hex drive, allowing efficient maintenance with standard tools
• Space-saving headless design for applications where protruding fasteners are impractical
• Wide compatibility with UNC coarse threading system, ensuring easy replacement and interchangeability
• Regulatory compliance meeting ASME B18.3, ASTM F912, RoHS 3, and REACH standards for quality assurance

Professional Applications & Engineering Value

This 3/4"-10 UNC set screw delivers critical engineering solutions for industrial applications where vibration resistance and precise positioning are paramount. The black-oxide alloy steel construction combined with Class 3A thread fit ensures minimal backlash and superior clamping force in machinery, automotive components, and power transmission systems. The flat tip design provides maximum surface contact for secure shaft positioning, while the coarse thread spacing enables rapid installation in production environments. Engineered to withstand repetitive stress cycles, this hex drive set screw maintains its integrity in high-torque applications, preventing costly downtime in manufacturing and assembly operations where reliable fastening is non-negotiable.

Specification Summary & Compliance

This heavy-duty fastener features Class 3A thread fit with UNC coarse threading (3/4"-10) and precise dimensional accuracy per ASME B18.3 specifications. Manufactured from alloy steel with Rockwell C45 hardness and black-oxide surface treatment for enhanced durability. The product fully complies with ASTM F912 manufacturing standards, RoHS 3 (2015/863/EU) environmental directives, and REACH (EC 1907/2006) regulations regarding substance restrictions, ensuring both performance reliability and regulatory adherence for industrial applications.