S-90104A112 7/16"-20 x 1 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• Enhanced torque application and grip with the external hex drive, allowing for secure installation using standard wrenches.
• Reliable, fine-threaded connections with 7/16"-20 UNF threading and Class 2B fit, ensuring precise engagement and vibration resistance.
• Versatile joining capability as a fully threaded coupling nut, designed to connect two externally threaded rods or studs.
• Consistent dimensional accuracy with a standard profile, width of 9/16", and length of 1 1/4" for predictable performance in assemblies.
• Compliance with major environmental regulations, being RoHS 3 and REACH compliant, making it suitable for regulated industries.
• Durable, long-lasting performance due to the high-quality material and fine thread design, reducing the need for frequent replacements.

Professional Applications & Engineering Value

This 316 stainless steel coupling nut is engineered to address common industrial challenges, such as corrosion-induced failures and assembly inefficiencies. Its fully threaded design and UNF fine threading provide a secure, vibration-resistant connection, crucial in dynamic environments like machinery, automotive systems, and structural frameworks. The external hex drive facilitates easy installation with standard tools, reducing labor time and improving torque control. Ideal for applications requiring extended stud connections or precise alignment, this nut ensures reliability in corrosive settings, supported by its compliance with environmental standards for broad industrial use.

Specification Summary & Compliance

This coupling nut adheres to UNF thread standards with a Class 2B thread fit for consistent dimensional accuracy and ease of assembly. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. The specifications include a thread size of 7/16"-20, fine thread spacing, right-hand thread direction, and standard coupling nut profile, manufactured to provide reliable performance in various engineering applications.