This union nut (female threads) is designed to be used with a cutting ring fitting. The nut has a M12 x 1 threads, making it suitable for an outer pipe diameter of 8 mm. To install, the union nut should be slid over the pipe first. Then, the pipe can be inserted into the cutting ring fitting before tightening the union nut. This will ensure a leak-free seal. Fitting is made out of steel. It has an LL (very light) load class, in accordance with the DIN 2353. It is made in accordance with the DIN EN ISO 8434-1 (DIN 2353) and the DIN 3870 standards.
UNL series
The UNL series includes union nuts designed for compression and/or cutting ring fittings. With threads from M8 x 1 to M52 x 2, they are ideal for pipe diameters ranging from 4 to 42 mm. Made out of brass, steel, or stainless steel 316 Ti (1.4571) so there is always a material suitable for your application. DIN 2353 load classes range from LL (very light) to S (heavy).
Specifications
Connection size : M12 x 1
Outer diameter (mm) : 8
Connection type : Inner thread metric
Material : Steel
Load class (DIN 2353) : LL (very light)
Standard : DIN EN ISO 8434-1 (DIN 2353),DIN 3870
Size of threaded connection [inch] : M12 x 1
![M12x1 x 8LL Zinc plated Steel Union nut for Cutting ring [20 Pieces]](https://www.coolgrittools.com/wp-content/uploads/2026/06/unl-e-05-ll_.cb48287d_52c9d847-6529-4e90-9a46-4d69d52ff594.webp)




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