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Product Overview
The Round Coupling Nut is a cylindrical fastener designed to join two threaded rods or bolts end-to-end, creating a continuous threaded connection. It is commonly used to extend the length of fasteners or align components in linear assemblies.
Key Features
Cylindrical design with internal threads for joining two threaded components.
Enables extension of threaded rod or bolt length in linear assemblies.
Smooth exterior for applications where low-profile connections are required.
Available in various thread sizes and lengths for custom connection needs.
Compatible with standard fastener materials for structural and non-structural use.
| Grade | 4.8 / 8.8 / A2-70 / A4-80 |
| Size Range | M4–M30 / #6"–1" (custom sizes available) |
| Thread Type | Metric (ISO) / UNC / UNF (full internal thread) |
| Standards | DIN 6334 / ISO 9001 compliant |
| Style | Long coupling / standard round coupling nut |
| Thread Class | 6H (metric) / 2B / 3B (imperial) |
| Material | Carbon Steel / Alloy Steel / Stainless Steel 304 / 316 / Brass |
| Surface Finish | Plain / Zinc Plated / Black Oxide / Nickel Plated |
| Operating Temperature | -40°C ~ 200°C (material-dependent) |
| Application | Threaded rod connection, machinery, structural assemblies |
Applications
Structural rod assemblies, pipe support systems, furniture construction, and industrial alignment fixtures.
