S-90104A015 1/2"-13 x 1 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Reliable thread engagement through Class 2B thread fit, ensuring consistent mating and reducing cross-threading risks
• Enhanced durability with fully threaded design and coarse UNC threading, providing maximum strength for heavy-duty applications
• Easy installation and removal using standard 5/8" external hex drive, compatible with common wrenches and tools
• Environmental compliance assurance meeting RoHS 3 and REACH standards, suitable for regulated industries
• Versatile coupling capability with 1-1/4" length, accommodating various rod and stud connection requirements
• Standardized compatibility with 1/2"-13 UNC right-hand threading, ensuring interchangeability across industrial systems

Professional Applications & Engineering Value

This 316 stainless steel coupling nut delivers exceptional performance in demanding applications where corrosion resistance and mechanical reliability are critical. The fully threaded UNC coarse thread design provides maximum thread engagement surface area, distributing load evenly across the entire 1-1/4" length to prevent stress concentration points. The Class 2B thread fit ensures precise mating with corresponding threaded components while maintaining sufficient clearance for smooth assembly. Particularly valuable in chemical processing, marine environments, and food processing equipment, this external hex coupling nut withstands aggressive media while maintaining structural integrity. The standardized 1/2"-13 thread size and 5/8" hex width make it compatible with existing industrial systems, reducing installation time and inventory complexity for maintenance teams.

Specification Summary & Compliance

This coupling nut features 1/2"-13 UNC coarse threading with Class 2B thread fit and right-hand thread direction. Manufacturing adheres to standard inch system specifications with 1-1/4" length and 5/8" hex width. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, meeting the latest regulatory requirements for industrial components.