This union nut (female threads) is designed to be used with a compression ring fitting. The nut has a M16 x 1.5 threads, making it suitable for an outer pipe diameter of 10 mm. To install, the union nut should be slid over the pipe first. Then, the pipe can be inserted into the compression ring fitting before tightening the union nut. This will ensure a leak-free seal. Fitting is made out of brass. It is made in accordance with the DIN EN 1254-2 standard.
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 : M16 x 1.5
Outer diameter (mm) : 10
Connection type : Inner thread metric
Material : Brass
Max pressure at 20 °C (bar) : 95
Standard : DIN EN 1254-2
Size of threaded connection [inch] : M16 x 1.5
![M16x1.5 x 10mm Brass Union nut for Compression fitting [5 Pieces]](https://www.coolgrittools.com/wp-content/uploads/2026/06/unl-b-10_.98b5ed9e.webp)




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