S-91410A896 7/8"-9 x 6" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with coarse UNC threads and Class 2A fit for reliable, vibration-resistant fastening in heavy machinery.
• Exceptional durability thanks to Rockwell B80 hardness steel construction, resisting wear and deformation under high stress.
• Easy installation and removal with a square head and external square drive, allowing for high-torque application with standard tools.
• Secure, concentrated point contact from the cup tip design, preventing component slippage and ensuring precise alignment.
• Long-lasting performance in demanding environments, backed by a 6-inch length for deep engagement in thick materials.
• Regulatory peace of mind with full compliance to ASME B18.6.2, RoHS 3, and REACH, ensuring safety and environmental standards are met.
• Versatile right-hand thread design for standard industrial applications, simplifying inventory and usage across various projects.

Professional Applications & Engineering Value

This 7/8"-9 UNC steel square head set screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, construction equipment, and automotive components. The coarse thread and Class 2A thread fit provide excellent grip and resistance to loosening under vibration, a common issue in dynamic environments. Made from high-strength steel with a Rockwell B80 hardness, it withstands substantial shear and tensile forces, reducing the risk of fastener failure. The square head design and external square drive enable efficient installation with common wrenches, saving time in maintenance and production lines. Compliant with ASME B18.6.2, it ensures dimensional accuracy and interoperability, making it a reliable choice for engineers seeking durable, RoHS and REACH compliant fastening solutions that enhance equipment longevity and safety.

Specification Summary & Compliance

This set screw features precise Class 2A thread fit with 7/8"-9 UNC coarse threads and a right-hand direction, ensuring tight tolerances per industry standards. It adheres to ASME B18.6.2 specifications for dimensional consistency and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for global industrial use.