S-90619A465 1 1/4"-7 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through steel insert locking technology that maintains secure fastening under extreme conditions
• Exceptional load-bearing capacity with Grade 5 steel construction for heavy-duty industrial applications
• Reliable coarse threading with UNC 1 1/4"-7 specification for quick installation and reduced cross-threading risk
• Precision thread fit meeting Class 2B standards ensuring consistent performance and compatibility
• Enhanced torque application with standard external hex profile providing superior grip for installation tools
• Environmental compliance with RoHS 3 standards for safe use across regulated industries
• Right-hand threading compatibility for standard assembly processes and replacement convenience

Professional Applications & Engineering Value

This Grade 5 steel locknut delivers critical vibration resistance in demanding industrial environments where secure fastening is paramount. The steel insert locking mechanism creates permanent friction that prevents loosening under continuous vibration and dynamic loads, making it ideal for heavy machinery, construction equipment, and automotive applications. The UNC coarse threading provides excellent engagement in thick materials while resisting debris accumulation. With its external hex drive and Class 2B thread fit, installation is streamlined using standard tools, reducing assembly time and maintenance costs. The robust 1 1/4" height and 1 7/8" width dimensions ensure substantial bearing surface for distributed load pressure, enhancing joint integrity in structural connections.

Specification Summary & Compliance

This locknut features UNC 1 1/4"-7 coarse threading with Class 2B thread fit for precision tolerance. Manufactured from Grade 5 steel with steel insert locking technology and external hex drive. Dimensions include 1 7/8" width and 1 1/4" height with right-hand thread direction. Compliant with RoHS 3 (2015/863/EU) environmental standards and manufactured according to industrial fastener specifications for reliable performance in heavy-duty applications.