S-95355A223 5/16"-18 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 Stainless Steel construction, ideal for marine, chemical, and outdoor applications.
• Reliable left-hand threading prevents loosening under counter-clockwise rotation, ensuring secure fastening in specialized machinery and equipment.
• Precise Class 2B thread fit offers consistent engagement and reduced risk of cross-threading, enhancing assembly efficiency and joint integrity.
• Coarse UNC thread spacing allows for quick installation and removal, saving time in maintenance and repair operations.
• Standard external hex drive design provides compatibility with common wrenches, facilitating easy torque application and disassembly.
• RoHS 3 compliance ensures environmental safety and meets regulatory standards for use in electronics and sensitive industrial sectors.
• Durable inch-system sizing (5/16"-18) ensures interchangeability with North American machinery components, reducing inventory complexity.

Professional Applications & Engineering Value

This 5/16"-18 UNC left-hand hex nut in 316 Stainless Steel addresses critical challenges in industries where reverse-thread fastening is essential to prevent accidental disassembly. The coarse thread design and Class 2B fit deliver robust performance in high-vibration settings, such as rotating shafts, conveyor systems, and automotive assemblies. Its external hex drive allows for secure torque application with standard tools, while the left-hand thread direction provides fail-safe operation in applications like mixer blades or fan impellers. Engineered for longevity, the nut's corrosion-resistant properties make it suitable for chemical processing, marine equipment, and food machinery, ensuring reliable fastening under demanding conditions without compromising on compliance or durability.

Specification Summary & Compliance

This hex nut features a 5/16"-18 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy and smooth assembly. Manufactured from 316 Stainless Steel with a standard hex profile and left-hand thread direction, it adheres to industry standards for inch-system fasteners. The product is RoHS 3 (2015/863/EU) compliant, confirming its suitability for regulated environments and commitment to environmental safety.