S-93282A280 5/16"-18 x 2" ASTM A276 Coupling 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 thread engagement with Class 2B thread fit ensuring consistent, secure connections in demanding assemblies.
• Enhanced durability and strength from full threading and ASTM A276 compliance, providing long-term performance under stress.
• Broad compatibility with 5/16"-18 UNC coarse threads, facilitating easy installation and interchangeability in inch-system equipment.
• Environmental and regulatory safety with RoHS 3 and REACH compliance, meeting strict industry standards for hazardous substance control.
• Optimized for high-vibration settings thanks to the right-hand thread design and standard profile, reducing loosening risks.
• Versatile industrial use across piping, machinery, and structural frameworks, supported by a 2" length for extended joint connections.

Professional Applications & Engineering Value

This 316 stainless steel coupling nut excels in industrial applications where corrosion resistance and mechanical integrity are critical. Engineered with fully threaded UNC coarse threads and a Class 2B thread fit, it addresses common issues like galvanic corrosion and thread wear in aggressive settings such as chemical processing, marine hardware, and wastewater systems. The ASTM A276 material specification ensures high tensile strength and creep resistance, while the standard coupling nut profile simplifies maintenance and assembly in piping, machinery, and structural frameworks. By combining superior durability with compliance to environmental regulations, this nut minimizes downtime and replacement costs in B2B procurement scenarios.

Specification Summary & Compliance

This coupling nut adheres to precise dimensional standards, including a Class 2B thread fit for consistent tolerance and UNC coarse threading (5/16"-18) per inch system requirements. It meets ASTM A276 specifications for material properties and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safety and environmental responsibility in industrial fastener applications.