S-91410A818 5/8"-11 x 6" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Exceptional durability with Rockwell B80 hardness steel construction, resisting wear and deformation under heavy loads
• Secure torque transmission via the square external drive head, preventing tool slippage during installation
• Reliable coarse UNC threading ensures quick assembly and strong holding power in demanding applications
• Precision Class 2A thread fit guarantees consistent engagement and reduces the risk of cross-threading
• Extended 6" length provides ample reach for deep-set applications and robust component fixation
• Full regulatory compliance with ASME B18.6.2, RoHS 3, and REACH, ensuring safety and environmental standards are met
• Right-hand thread direction offers intuitive, standard installation for efficient workflow

Professional Applications & Engineering Value

This 5/8"-11 UNC steel set screw is engineered to address critical fastening challenges in heavy machinery, automotive assemblies, and construction equipment. The coarse thread design and square head with external drive provide superior resistance to vibration loosening, making it ideal for high-stress environments where reliability is paramount. Manufactured from high-grade steel with a Rockwell B80 hardness, it maintains integrity under extreme torque and load conditions. The 6" length and cup tip ensure deep penetration and secure positioning in shafts, collars, and pulleys, reducing maintenance needs and enhancing operational safety in industrial settings.

Specification Summary & Compliance

This set screw features a 5/8"-11 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and ease of assembly. It complies with ASME B18.6.2 manufacturing specifications, ensuring consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for use in various global markets.