S-91416A515 5/8"-11 x 3" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Exceptional holding power with coarse 5/8"-11 UNC threads for superior grip and resistance to loosening in demanding applications
• High-strength durability from Rockwell C45 hardened alloy steel construction, ensuring long service life under heavy loads
• Secure and easy installation with external square drive and square head design, allowing for reliable torque application with standard tools
• Precise thread fit with Class 2A tolerance, providing consistent performance and compatibility with standard mating components
• Enhanced material engagement from the cup tip design, improving grip and reducing component slippage in assemblies
• Compliance with industry standards including ASME B18.6.2, ensuring quality and reliability in industrial applications
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements

Professional Applications & Engineering Value

This alloy steel square head set screw is engineered to solve critical fastening challenges in heavy-duty industrial environments. The 5/8"-11 UNC coarse thread provides excellent holding strength, preventing loosening from vibration and dynamic loads commonly encountered in machinery, automotive, and construction equipment. The Rockwell C45 hardness ensures the screw maintains its structural integrity under high stress, while the square head with external drive allows for secure tool engagement and high-torque installation without stripping. The cup tip design maximizes surface contact, distributing clamping force effectively to prevent damage to shafts and components. Ideal for permanent or semi-permanent assemblies requiring reliable, high-strength fastening solutions that meet ASME B18.6.2 specifications.

Specification Summary & Compliance

This set screw features a 5/8"-11 UNC coarse thread with Class 2A fit for standard tolerance and compatibility. It is manufactured from alloy steel and hardened to Rockwell C45 for enhanced durability. The product complies with ASME B18.6.2 manufacturing standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free of restricted substances and suitable for global industrial use.