S-91410A792 5/8"-11 x 2 3/4" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with coarse UNC threads designed for maximum resistance to loosening in demanding applications
• Exceptional durability provided by Rockwell B80 steel construction that withstands heavy-duty use and repeated adjustments
• Precise installation control through square head design with external square drive for secure tool engagement and torque application
• Reliable seating and minimal surface damage achieved with cup tip design that distributes pressure evenly
• Consistent performance ensured by Class 2A thread fit that maintains proper clearances for smooth assembly
• Broad industrial compatibility with right-hand threading following UNC standards for universal application use
• Regulatory compliance assurance meeting ASME B18.6.2 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

This 5/8"-11 UNC coarse thread set screw delivers critical engineering solutions for industrial applications requiring secure component positioning and permanent fastening. The steel construction with Rockwell B80 hardness provides the necessary strength to withstand vibration and rotational forces in machinery, power transmission systems, and manufacturing equipment. The square head design with external square drive allows for high-torque installation without stripping, while the cup tip minimizes surface marring on shafts and collars. The coarse thread pitch ensures rapid installation and superior resistance to loosening under dynamic loads, making it ideal for industrial set screws applications where reliability is paramount. These heavy duty set screws maintain precise alignment in pulleys, gears, and couplings, preventing costly downtime and equipment damage.

Specification Summary & Compliance

This set screw features 5/8"-11 UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy and proper assembly clearances. Manufactured in compliance with ASME B18.6.2 specifications for square head set screws, ensuring standardized dimensions and performance characteristics. The product meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) compliance for chemical safety, making it suitable for global industrial applications with environmental regulations.