S-91416A728 1/2"-13 x 4" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Exceptional holding power with Rockwell C45 hardness for reliable performance in demanding applications
• Superior torque transmission through square head design with external square drive, reducing tool slippage
• Precise thread engagement with Class 2A fit UNC coarse threads ensuring consistent fastening accuracy
• Enhanced durability from alloy steel construction, resisting wear and deformation under heavy loads
• Secure component positioning with cup tip design that minimizes surface damage during installation
• Industry compliance assurance meeting ASME B18.6.2 standards for dimensional accuracy and performance
• Environmental regulation compliance with RoHS 3 and REACH requirements for safe industrial use

Professional Applications & Engineering Value

This alloy steel set screw delivers critical engineering solutions for industrial machinery, automotive components, and heavy equipment assemblies. The 1/2"-13 UNC coarse thread configuration provides excellent vibration resistance in high-stress environments, while the Class 2A thread fit ensures precise installation without binding. The square head with external square drive enables maximum torque application, preventing cam-out during high-tension fastening operations. With Rockwell C45 hardness, this 4" length set screw maintains structural integrity under repetitive loading cycles, making it ideal for permanent positioning applications where reliability cannot be compromised. The cup tip design concentrates clamping force while minimizing surface marring on expensive components.

Specification Summary & Compliance

Manufactured to exact ASME B18.6.2 specifications with Class 2A thread fit tolerance for consistent dimensional accuracy. Features 1/2"-13 UNC coarse threads with right-hand orientation and 4" length. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.