S-91410A810 5/8"-11 x 4" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior torque transmission through the external square drive design, ensuring secure installation and removal in high-stress applications
• Exceptional durability with Rockwell B80 hardness steel construction, providing reliable resistance against wear and deformation
• Optimized holding power from the 4" length and coarse UNC thread, delivering maximum grip in demanding industrial settings
• Precision thread engagement with Class 2A fit, enabling smooth assembly while maintaining secure fastening integrity
• Enhanced component protection through the cup tip design, minimizing surface damage to secured parts during installation
• Broad compatibility with standard 5/8"-11 UNC components, ensuring easy integration into existing systems and equipment
• Regulatory compliance assurance meeting ASME B18.6.2 specifications and environmental standards for global industrial use

Professional Applications & Engineering Value

This 5/8"-11 UNC square head set screw delivers critical engineering solutions for heavy-duty industrial applications where vibration resistance and permanent positioning are paramount. The combination of steel construction with Rockwell B80 hardness provides exceptional strength against loosening under dynamic loads, while the coarse thread design ensures rapid installation and superior holding power in soft materials or high-vibration environments. The external square drive enables high-torque application without cam-out risks, making it ideal for machinery assembly, construction equipment, and manufacturing systems requiring reliable set screw performance. The cup tip configuration concentrates pressure effectively while minimizing surface marring, preserving the integrity of expensive components in precision applications.

Specification Summary & Compliance

This 4" length set screw features precise Class 2A thread fit with 5/8"-11 UNC coarse thread specifications, manufactured in accordance with ASME B18.6.2 standards for dimensional accuracy and performance reliability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets while maintaining the specified Rockwell B80 hardness for consistent mechanical properties.