Rice Lake Zinc Plated Coupling Nut Threaded Rod Extension Connector Steel

The Rice Lake Coupling Nuts are precision-machined threaded connectors designed to join, extend, or secure threaded rods, bolts, eye bolts, and suspension hardware in industrial weighing, load cell mounting, force measurement, and structural support applications. Manufactured from durable steel and finished with a corrosion-resistant zinc plating, these coupling nuts provide dependable mechanical connections in demanding industrial environments where strength, alignment, and long-term reliability are essential. Designed for use in tension-based weighing systems and suspension assemblies, coupling nuts create a secure threaded connection between two male-threaded components. Their extended body length provides greater thread engagement than standard hex nuts, resulting in improved load distribution and enhanced connection strength. This makes them ideal for applications involving hanging scales, load cell assemblies, tank weighing systems, hopper scales, and other industrial force measurement installations. The zinc-plated finish helps protect the coupling nuts from corrosion, oxidation, and environmental exposure, making them suitable for indoor and light industrial environments. Precision-cut internal threads ensure smooth assembly while maintaining proper alignment between connected components. Their heavy-duty construction allows them to withstand demanding operational loads while helping maintain measurement accuracy and structural integrity. Rice Lake coupling nuts are available in multiple thread sizes to accommodate a wide range of suspension and weighing system configurations. Whether used in new installations, system upgrades, maintenance projects, or custom weighing assemblies, these threaded connectors provide a reliable solution for extending threaded hardware and creating strong mechanical connections. Ideal for use with threaded rods, eye bolts, shackles, load cell mounts, and suspension hardware, Rice Lake Coupling Nuts offer dependable performance for industrial weighing and material handling applications. Specifications Feature Specification Brand Rice Lake Product Type Coupling Nut Material Steel Finish Zinc-Plated Thread Type Internal Female Threads Design Extended Hex Coupling Nut Corrosion Resistance Zinc-Plated Protection Installation Threaded Connection Application Thread Extension and Joining Compatibility Threaded Rods, Eye Bolts, Suspension Hardware Warranty One-Year Limited Warranty Available Models Part# Thread Size Length Flat Safe Load* 14638 1/4-20 UNC 1.75 in 0.44 in 500 lb 14650 3/8-16 UNC 1.75 in 0.62 in 1,500 lb 14663 1/2-13 UNC 1.75 in 0.87 in 3,000 lb 14681 5/8-11 UNC 2.12 in 1.06 in 7,500 lb 14691 3/4-10 UNC 2.25 in 1.25 in 10,000 lb *Do not exceed the safe load. Standard Features ✔ Heavy-duty steel construction ✔ Corrosion-resistant zinc-plated finish ✔ Extended body design for increased thread engagement ✔ Provides secure connection between threaded components ✔ Precision-machined internal threads ✔ Improves load distribution across connections ✔ Ideal for tension and suspension applications ✔ Easy installation and removal ✔ Suitable for industrial weighing systems ✔ Supports threaded rod extensions and repairs ✔ Durable construction for long service life ✔ Compatible with a variety of hardware assemblies Applications Load Cell Suspension Systems Hanging Scale Assemblies Tank Weighing Systems Hopper Scale Installations Industrial Force Measurement Systems Threaded Rod Extensions Material Handling Equipment Structural Support Assemblies Mechanical Suspension Systems Agricultural Weighing Equipment Manufacturing Facilities Industrial Maintenance Projects Package Includes Rice Lake Coupling Nut Zinc-Plated Threaded Connector Product Documentation Why Choose Rice Lake Coupling Nuts? ✔ Strong and reliable threaded connections ✔ Extended thread engagement improves load capacity ✔ Zinc-plated finish resists corrosion ✔ Precision-machined for accurate fitment ✔ Suitable for weighing and suspension applications ✔ Easy to install and maintain ✔ Available in multiple thread sizes ✔ Trusted Rice Lake industrial quality ✔ Designed for long-term performance in demanding environments