This reinforcing ring is used as an accessory for a compression or a cutting ring fitting. It is made out of brass. Suitable for copper pipes, plastic tubes, and plastic multi-layer pipes. It is designed for a 6×5 mm (outer x inner) pipe/hose diameter. The reinforcing ring has a knurl, which increases the gripping surface.
Pros:
- It is suitable for copper pipes, plastic tubes, and plastic multi-layer pipes
- The reinforcing ring has a knurl, which increases the gripping surface
Cons:
- If disassembled, this component needs to be replaced
RLL series
The RLL series includes reinforcing rings, which are used for compression and cutting ring fittings. If they are used and disassembled, they need to be replaced. They are made out of brass or stainless steel, designed for usage with pipes and hoses with an inner diameter from 4 to 42 mm. They are designed with a safety collar or a knurl.
Specifications
Inner pipe diameter (mm) : 5
Outer pipe diameter (mm) : 6
Material : Brass
With sealing : No
With safety collar : No
With knurl : Yes
Suitable for aluminum tube : No
Suitable for copper tube : Yes
Suitable for plastic multi-layer pipes : Yes
Suitable for plastic tube : Yes
Suitable for stainless steel tube : No
Suitable for steel tube : No
![6x5mm Brass Reinforcing ring [10 Pieces]](https://www.coolgrittools.com/wp-content/uploads/2026/06/rrl-b-06x05-k_.c0be9eb1.webp)




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