S-90621A036 3/4"-10 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the integrated steel insert locking mechanism, preventing loosening under dynamic loads
• Enhanced torque application and grip with the extra wide hex profile, reducing tool slippage and enabling higher tightening forces
• Reliable and durable performance from Grade 5 steel construction, suitable for high-stress industrial environments
• Easy and quick installation with coarse UNC threads and Class 2B fit, ensuring smooth assembly and consistent engagement
• Secure, long-term fastening with right-hand thread direction, maintaining clamp load in demanding applications
• Compliance with environmental standards via RoHS 3, making it safe for use in regulated industries
• Optimized for external hex drive tools, providing common and efficient installation with standard wrenches

Professional Applications & Engineering Value

This Grade 5 steel locknut is engineered to address critical challenges in machinery, construction, and heavy equipment where vibration and shock loads are common. The steel insert locking type ensures that the nut stays securely fastened, eliminating the need for secondary locking devices and reducing maintenance downtime. Its extra wide hex profile allows for higher torque application, minimizing the risk of rounding and improving worker safety during installation. With UNC coarse threads and a Class 2B thread fit, it offers quick assembly and reliable performance in industrial applications such as automotive assemblies, structural frameworks, and conveyor systems, providing a robust solution for vibration resistant and heavy duty fastening needs.

Specification Summary & Compliance

This locknut features a 3/4"-10 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy and ease of use. Manufactured from Grade 5 steel, it meets industry standards for strength and durability. The product is RoHS 3 (2015/863/EU) Compliant, ensuring adherence to environmental regulations for hazardous substances. Designed with an external hex drive and right-hand thread direction, it aligns with common assembly practices and specifications for reliable performance in various engineering applications.