S-94828A440 5/8"-11 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through Flex-Top locking technology, preventing loosening under dynamic loads
• Enhanced corrosion protection with cadmium-plated steel construction for extended service life in harsh environments
• Optimized space-saving design with extra-wide thin profile for applications with limited clearance
• Reliable installation precision with Class 2B thread fit ensuring consistent engagement and reduced cross-threading risk
• Heavy-duty performance with 5/8"-11 UNC coarse thread design for high-torque applications
• Easy manual installation using standard external hex drive with 1" width for common tool compatibility
• Durable right-hand threading maintaining secure fastening in high-vibration industrial equipment

Professional Applications & Engineering Value

This cadmium-plated steel locknut delivers critical vibration resistance where conventional fasteners fail. The Flex-Top locking mechanism creates consistent friction along the thread engagement, making it ideal for heavy machinery, automotive assemblies, and construction equipment subject to constant motion. The extra-wide thin hex profile provides maximum wrench contact while minimizing axial space requirements - solving clearance challenges in compact designs. With UNC coarse threading and Class 2B fit, installation remains precise even in high-volume production environments, reducing assembly errors and maintenance downtime. The cadmium plating offers superior corrosion protection for outdoor and industrial applications where moisture and chemicals are present.

Specification Summary & Compliance

Manufactured to UNC thread standards with Class 2B thread fit for precision tolerance. Features 5/8"-11 coarse thread with right-hand direction, 1" width across flats, and 13/32" height. Complies with industry standards for external hex drive locknuts and contains materials meeting RoHS and REACH environmental directives.