S-91410A583 5/16"-18 x 1" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior torque transmission through the external square drive design, preventing tool slippage during high-tension applications
• Exceptional material durability with hardened steel construction and Rockwell B80 hardness, resisting deformation under heavy loads
• Reliable fastening performance with Class 2A thread fit ensuring consistent engagement and vibration resistance in dynamic environments
• Optimized installation efficiency through coarse UNC threading, enabling rapid assembly while maintaining strong holding power
• Secure component positioning with cup tip design that creates positive engagement points without damaging shaft materials
• Regulatory compliance assurance meeting ASME B18.6.2 specifications and environmental standards including RoHS 3 and REACH
• Precision dimensional consistency with 1" length and 5/16"-18 thread size manufactured to inch system tolerances for reliable interchangeability

Professional Applications & Engineering Value

This 5/16"-18 UNC square head set screw delivers critical engineering solutions for industrial machinery maintenance and precision assembly operations. The hardened steel construction with Rockwell B80 hardness provides exceptional resistance to wear and deformation, making it ideal for high-vibration environments where fastener integrity is paramount. The coarse thread spacing ensures rapid installation while maintaining superior clamping force, significantly reducing assembly time in production settings. The cup tip configuration creates concentrated contact points that securely lock components without causing surface damage to shafts or gears. Particularly valuable in power transmission systems, manufacturing equipment, and automotive applications, this right-hand threaded fastener with external square drive offers reliable performance where accessibility and torque requirements demand robust fastening solutions.

Specification Summary & Compliance

Manufactured to precise inch system measurements with 1" length and 5/16"-18 UNC thread size, this set screw maintains Class 2A thread fit tolerances for consistent performance. The product strictly adheres to ASME B18.6.2 manufacturing specifications governing dimensional requirements and mechanical properties. Compliance with RoHS 3 (2015/863/EU) ensures restriction of hazardous substances, while REACH (EC 1907/2006) compliance confirms responsible chemical management throughout the production process, meeting the latest regulatory standards for industrial components.