S-91418A810 5/8"-11 x 4" ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in demanding industrial environments.
• High-strength durability from Rockwell C45 hardened alloy steel, resisting wear and deformation under heavy loads.
• Secure and reliable fastening with UNC coarse threads and Class 2A fit, ensuring consistent engagement and vibration resistance.
• Enhanced torque transmission via the external square drive and square head, allowing for high-tightening force without stripping.
• Precise component positioning thanks to the extended tip design, providing accurate alignment in assemblies.
• Broad industrial compatibility with inch measurement system and right-hand thread direction, suitable for diverse machinery and equipment.
• Regulatory peace of mind through compliance with ASTM F912, RoHS 3, and REACH, meeting strict safety and environmental standards.

Professional Applications & Engineering Value

This black-oxide alloy steel set screw is engineered to address common industrial challenges like component slippage and corrosion-induced failure. The UNC coarse thread and Class 2A fit provide excellent grip in soft materials or high-vibration settings, reducing maintenance needs. Its extended tip ensures precise contact in pulleys, gears, and collars, enhancing alignment accuracy. Made from hardened alloy steel with Rockwell C45 hardness, it withstands heavy-duty cycles in machinery, automotive, and construction applications, offering long-term reliability and reduced downtime.

Specification Summary & Compliance

This set screw adheres to Class 2A thread fit for consistent assembly tolerance, with UNC coarse threads (5/8"-11) in a right-hand direction. It meets ASTM F912 specifications for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and safe for industrial use globally.