Gran Head Model
Thread Content
Figure 1 shows an internal thread, while Figure 2 shows an external thread. What is the difference when purchasing these two types of connectors? In Figure 2, the outer diameter of the metal mesh is 20.7 mm; what is the size of the connector in Figure 2, and how can it be identified?
From the picture, it can be seen that the quality of that Gran head is really poor.
Bro, this product comes as a set; it’s called a stainless steel woven flexible tube. The common specifications include G3/4\"(M) – M20*1.5(M), G3/4\"(M) – 1/2\"NPT(M) stainless steel woven flexible tubes with sealed connectors, and so on. Generally, reputable manufacturers will engrave the model and specifications on the sealing joints; don’t you have those marked on yours as well?