S-91410A787 5/8"-11 x 1" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior torque transmission with external square drive and square head design for secure tool engagement and reduced slippage during installation
• Exceptional durability with Rockwell B80 hardness steel construction resisting deformation under high stress conditions
• Quick installation and removal through coarse UNC thread spacing that reduces assembly time in industrial settings
• Reliable thread engagement with Class 2A thread fit ensuring consistent performance and interchangeability
• Secure fastening provided by cup tip design that creates positive locking action on shaft components
• Regulatory compliance assurance meeting ASME B18.6.2 specifications for dimensional accuracy and performance standards
• Environmental responsibility with RoHS 3 and REACH compliance for use in regulated industries

Professional Applications & Engineering Value

This 5/8"-11 UNC square head set screw delivers critical engineering solutions for industrial fastening challenges. The steel construction with Rockwell B80 hardness provides exceptional resistance to vibrational loosening and material fatigue in heavy machinery applications. The coarse thread spacing enables rapid installation in time-sensitive production environments while maintaining secure holding power. The external square drive design allows for high-torque application without cam-out issues, making it ideal for maintenance operations requiring frequent adjustments. These set screws are particularly valuable in power transmission systems, agricultural equipment, and manufacturing machinery where reliable shaft positioning is critical to operational safety and performance. The combination of right-hand thread direction and cup tip creates optimal clamping force for permanent or semi-permanent assembly requirements.

Specification Summary & Compliance

This set screw maintains precise Class 2A thread fit tolerances according to UNC standards, ensuring proper engagement with mating components. Manufacturing conforms to ASME B18.6.2 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. All dimensions follow the inch system of measurement with standardized 5/8"-11 UNC coarse thread profile and 1" length for consistent performance across industrial applications.