S-90983A212 3/8"-24 x 1 3/4" Coupling Nuts
Coupling Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional tensile strength with Grade 8 rating, ensuring reliable performance in high-stress applications and preventing fastener failure.
- Superior corrosion resistance from zinc-plated steel coating, extending service life in harsh industrial environments and reducing maintenance costs.
- Precise fine threading (3/8"-24 UNF, Class 2B fit) for secure, vibration-resistant connections that maintain integrity under dynamic loads.
- Easy installation and removal with external hex drive design, allowing standard wrench access and reducing assembly time.
- Versatile coupling capability due to fully threaded, right-hand design, enabling extended rod connections or component joining in machinery.
- Heavy-duty durability with 1 3/4" length and 5/8" width, providing ample engagement for demanding mechanical assemblies.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries and global market acceptance.
Professional Applications & Engineering Value
This Grade 8 coupling nut is engineered to solve critical challenges in industrial fastening where high-strength connections and corrosion resistance are paramount. The zinc-plated steel construction combats rust in outdoor or humid settings, while the UNF fine threading (3/8"-24) and Class 2B thread fit deliver precise alignment and vibration damping in machinery, automotive, and construction assemblies. Its external hex drive simplifies maintenance in tight spaces, reducing downtime. Ideal for extending threaded rods or joining components in heavy-duty applications, this fastener ensures long-term reliability where failure is not an option.
Specification Summary & Compliance
This coupling nut adheres to UNF thread standards with Class 2B thread fit for consistent dimensional accuracy. Manufactured from zinc-plated steel and rated Grade 8 for high mechanical strength, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory acceptance in industrial markets.
