S-91410A786 5/8"-11 x 3/4" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior torque transmission with external square drive design for reliable tightening in demanding applications
• Exceptional holding power provided by coarse UNC threads that resist loosening under vibration and heavy loads
• Precise component positioning with cup tip design that creates secure contact points without damaging surfaces
• Enhanced durability through Rockwell B80 hardness steel construction that withstands repeated use and high stress
• Consistent performance ensured by Class 2A thread fit for reliable engagement and disengagement
• Industry-standard compatibility with ASME B18.6.2 specifications for seamless integration into existing assemblies
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

This 5/8"-11 UNC square head set screw delivers critical engineering solutions for industrial applications where vibration resistance and secure positioning are paramount. The high-strength steel construction with Rockwell B80 hardness provides exceptional resistance to wear and deformation, making it ideal for heavy machinery, manufacturing equipment, and automotive assemblies. The coarse thread design ensures rapid installation while maintaining superior clamping force, effectively preventing component slippage in high-torque environments. The external square drive enables maximum torque application without stripping, while the cup tip creates positive engagement points without damaging shaft surfaces. Engineered to meet rigorous industrial standards, this set screw addresses common challenges of component misalignment, vibration-induced loosening, and maintenance accessibility in demanding operational conditions.

Specification Summary & Compliance

This fastener maintains precise Class 2A thread fit tolerances for consistent performance and features 5/8"-11 UNC coarse threads with right-hand orientation. Manufacturing complies with 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 meets REACH (EC 1907/2006) requirements for chemical safety, ensuring suitability for regulated industrial applications worldwide.