S-91410A942 5/16"-18 x 2" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with 5/16"-18 UNC coarse threads designed for rapid installation and reliable fastening in demanding industrial environments.
• Exceptional durability and wear resistance thanks to the steel construction and Rockwell B80 hardness, ensuring a long service life under high-stress conditions.
• Secure and efficient torque application with the square head and external square drive, preventing tool slippage and enabling high tightening forces.
• Precise and consistent thread fit with Class 2A tolerance, facilitating easier assembly while maintaining strong mechanical engagement.
• Enhanced component protection from the cup tip design, which minimizes surface damage to the mating part during clamping.
• Guaranteed quality and reliability through compliance with the ASME B18.6.2 standard, ensuring dimensional accuracy and performance.
• Safe for use in regulated industries as it is RoHS 3 and REACH compliant, meeting strict environmental and safety standards.

Professional Applications & Engineering Value

This 5/16"-18 UNC steel set screw is engineered to solve critical fastening challenges in industrial machinery, automotive assemblies, and heavy equipment. The coarse thread design and Class 2A fit provide quick, secure installation, reducing assembly time while resisting vibration-induced loosening. Its square head and external square drive allow for high-torque application without cam-out, ensuring a tight, reliable hold in pulleys, gears, and collars. The Rockwell B80 hardness and steel material offer excellent strength and fatigue resistance, making it ideal for applications where set screws must withstand dynamic loads and harsh operating conditions, thereby enhancing overall equipment reliability and reducing maintenance needs.

Specification Summary & Compliance

This set screw features a 5/16"-18 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and ease of assembly. It is manufactured in compliance with ASME B18.6.2 specifications, ensuring consistent quality and performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for hazardous substances.