Product Introduction
A hex coupling nut is an elongated hexagonal fastener with full-length internal threading designed to join two externally threaded components into a continuous connection. It is commonly used to connect threaded rods, studs, or similar fasteners where extended thread engagement is required.
Product Specifications
| Item | Specification |
| Product Name | Hex Coupling Nut |
| Product Type | Internally Threaded Coupling Nut |
| Standard | DIN 6334 or Customer-Specified Standard |
| Body Shape | Hexagonal |
| Construction | One-Piece |
| Thread Configuration | Full-Length Through Thread |
| Thread Direction | Right-Hand (Standard), Left-Hand (Optional) |
| Thread Type | Metric Coarse, Metric Fine, UNC, UNF, or Customized |
| Thread Size | Standard or Customized |
| Thread Pitch | Standard or Customized |
| Body Length | Standard or Customized |
| Material | Carbon Steel, Stainless Steel, Brass, or Customer-Specified Materials |
| Surface Finish | Zinc Plated, Hot-Dip Galvanized, Black Oxide, Nickel Plated, Plain, or Customized |
| Manufacturing | Standard Production or Drawing-Based Manufacturing |
| OEM / ODM | Available |
| Product Marking | Custom Marking Available |
Standard Dimensions (Reference)
The following dimensions are based on commonly used DIN 6334 hex coupling nuts. Custom dimensions are available upon request.
| Thread Size | Across Flats (S) | Standard Length (L) | Thread Pitch |
| M6 | 10 mm | 18 mm | 1.0 mm |
| M8 | 13 mm | 24 mm | 1.25 mm |
| M10 | 17 mm | 30 mm | 1.5 mm |
| M12 | 19 mm | 36 mm | 1.75 mm |
| M16 | 24 mm | 48 mm | 2.0 mm |
| M20 | 30 mm | 60 mm | 2.5 mm |
| M24 | 36 mm | 72 mm | 3.0 mm |
| M30 | 46 mm | 90 mm | 3.5 mm |
| M36 | 55 mm | 108 mm | 4.0 mm |
Additional thread sizes, body lengths, and dimensional configurations can be manufactured according to customer drawings or project-specific requirements.
Key Features
Extended hex body with full-length internal threading for joining externally threaded components.
One-piece construction integrates the hexagonal exterior and continuous internal thread in a single fastening component.
Uniform internal thread geometry provides consistent thread engagement throughout the entire body length.
Hexagonal wrenching profile enables installation and removal using standard fastening tools.
Through-threaded configuration allows threaded components to engage from either end of the nut.
Typical Applications
Structural steel fabrication
Building construction
Mechanical equipment assembly
Industrial machinery
HVAC support systems
Electrical installation projects
Pipeline support structures
Anchor bolt assemblies
Maintenance and repair work
Metal fabrication systems
Custom Manufacturing
Hex coupling nuts can be manufactured to customer drawings or project-specific technical specifications.
Available customization options include:
Custom body lengths
Non-standard thread sizes and pitches
Metric or imperial thread standards
Left-hand thread configurations
Customer-specified materials
Customer-specified surface finishes
Custom product marking
Private label packaging
Quality Control
Inspection procedures focus on verifying dimensional accuracy, thread quality, and surface condition throughout the production process.
Inspection items may include:
Raw material verification
Dimensional inspection
Internal thread inspection
Visual inspection
Surface finish inspection
Final sampling before shipment
Inspection reports and related documentation can be provided upon request.
FAQ
Q: What is the difference between a hex coupling nut and a standard hex nut?
A: A hex coupling nut has an extended body with full-length internal threading, providing greater thread engagement and allowing two externally threaded components to be joined.
Q: Can hex coupling nuts be used to extend threaded rod assemblies?
A: Yes. They can be used to join compatible threaded rods or studs to create a continuous threaded connection.
Q: Can hex coupling nuts be supplied with left-hand threads?
A: Yes. Left-hand or other non-standard thread configurations can be manufactured when specified as part of the project requirements.
Q: Can hex coupling nuts be manufactured with custom thread specifications?
A: Yes. Metric, imperial, left-hand, and other customer-specified thread configurations can be manufactured according to project requirements.
Q: Can OEM marking and private label packaging be provided?
A: Yes. Custom product marking and private label packaging can be supplied according to customer procurement requirements.
Hot Tags: hex coupling nuts, China hex coupling nuts manufacturers, suppliers, factory, coupling nut, Hex Coupling Nuts, Round Coupling Nut Manufacturer Threaded Rod Connector Supplier
