- Sleek Tube Connections: This coupling is crafted to sit inside the tubes, ensuring a smooth, clean finish. Perfect for achieving a professional-grade appearance in visible structures like handrails and guardrails.
- Non-Load Bearing Solution: Ideal for non-load bearing joints, the 18-8 Internal Coupling provides stability while maintaining a lightweight and minimal design.
- Highly Durable Material: Manufactured from premium galvanised steel, this fitting delivers exceptional resistance against corrosion, making it a reliable choice for both indoor installations and outdoor environments. These galvanised handrail fittings are built to endure the toughest conditions.
- Seamless Compatibility: Fully compatible with Kee Klamp pipe fittings and other standard handrail pipe fittings, this coupling integrates effortlessly into your existing system and allows for easy extensions or modifications.
Product Description
18-8 Internal Coupling
The 18-8 Internal Coupling is a dependable and efficient fitting designed specifically for joining two tubes snugly and seamlessly. Its internal placement provides a polished, obstruction-free look, making it an excellent choice for handrails, safety barriers, and other tubular frameworks. Whether you’re working on a commercial, industrial, or custom project, this fitting supports your needs with adaptability and durability.
Features and Benefits:
Important Note: The 18-8 Internal Coupling is not designed to bear loads. If your project requires fittings capable of providing structural support, we recommend exploring other Kee Klamp fittings that are engineered specifically for that purpose.
Why Choose the 18-8 Internal Coupling?
Kee Klamp fittings are known for their high quality, simplicity, and versatility. The 18-8 Internal Coupling exemplifies these traits, offering a straightforward solution for creating uninterrupted tube connections. By opting for Kee Klamp pipe fittings, you choose a trusted system designed to make building and maintaining structures faster and easier.
Engineered for dependability, this coupling is an essential component if you seek galvanised handrail fittings that deliver both style and performance. Its concealed design means your tubing looks sleek, while its galvanised finish ensures your project stands the test of time.
Technical Data
Imagery
![18 [tech] 18 [tech]](https://simplifiedbuilding.co.uk/media/catalog/product/cache/4/thumbnail/130x/9df78eab33525d08d6e5fb8d27136e95/i/m/image_324.jpg)
![18 [tech] 18 [tech]](https://simplifiedbuilding.co.uk/media/catalog/product/cache/4/thumbnail/130x/9df78eab33525d08d6e5fb8d27136e95/i/m/image_324_1.jpg)
![18 [tech] 18 [tech]](https://simplifiedbuilding.co.uk/media/catalog/product/cache/4/thumbnail/130x/9df78eab33525d08d6e5fb8d27136e95/i/m/image_325.jpg)
Model | Measurements (in.) | Weight (lbs.) | ||
---|---|---|---|---|
A | D | E | ||
18-8 | 1.90 | 3.74 | 0.79 | 1.19 |
Model | Measurements (mm) | Weight (kgs) | ||
---|---|---|---|---|
A | D | E | ||
18-8 | 40.00 | 95.00 | 20.00 | 0.54 |
Pipe Size Chart
The chart below will help you understand how to match the size of fittings and pipe.

Additional Information
Dimensional Weight (kgs) | 0.5400 |
---|---|
Actual Weight (kgs) | 0.54 |
Manufacturer | Kee Safety |
Brand | Kee Klamp |
Material | Ductile Iron to BS EN 1563 |
Fitting Function | Coupling |
Loads | A Kee Klamp component (size 5 to 9) can support an axial load of 2000 lbs. per set screw with the set screw tightened to a torque of 29 lbs/ft. (rating includes a safety factor of 2:1) |
Set Screw | Case hardened steel, Kee Koat corrosion resistant coating |
Standards | ASTM A47-77-32510, BS EN ISO 1461 |