S-90738A150 3/8"-24 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments.
• High-strength performance from Grade 5 steel, ensuring reliable load-bearing capacity for demanding applications.
• Precise left-hand 3/8"-24 UNF fine threading with Class 2B fit, providing secure, vibration-resistant connections in specialized assemblies.
• Standard hex profile and external drive design for easy installation using common tools, reducing assembly time and labor costs.
• Compliance with RoHS 3 and REACH regulations, guaranteeing safety and environmental standards for global industrial use.
• Durable inch-system sizing (9/16" width, 21/64" height), ensuring compatibility with existing equipment and fastener systems.
• Optimized for left-hand thread applications, preventing unintended loosening in rotating machinery and specialized mechanical systems.

Professional Applications & Engineering Value

This Grade 5 zinc-plated steel hex nut is engineered to address critical challenges in industrial settings where left-hand UNF fine threads are essential. The Class 2B thread fit ensures consistent engagement and reduces the risk of cross-threading, while the zinc plating provides a protective barrier against moisture and chemicals, minimizing corrosion-induced failures. Ideal for heavy-duty machinery, automotive systems, and rotating equipment requiring reverse-thread security, this nut delivers reliable performance under high-stress conditions. Its standard hex profile allows for quick installation with standard wrenches, streamlining maintenance and reducing downtime in production environments.

Specification Summary & Compliance

This nut adheres to UNF fine thread standards with a Class 2B thread fit for precise dimensional accuracy. Manufactured from Grade 5 steel with a zinc-plated finish, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety adherence. Dimensions include a 3/8"-24 thread size, 9/16" width, and 21/64" height, conforming to inch-system specifications for reliable interoperability in industrial fastener applications.