The hexagonal outer wire is one more hexagonal circle than the double-ended outer wire. Its function is the same as that of the double-ended outer wire. Both steel pipes can be connected together by threads. This hexagonal circle can be easily installed and locked with a wrench. The outer wire can only be locked by pipe pliers; the variable-diameter hexagonal double-ended outer wire has a wider range of use and can connect two pipes of different diameters together. Surface treatment: steel pipe original color, polished, electroplated, sanitary grade, different surface treatment methods can be used according to different customer requirements;

Main use: In the connection of various pipelines such as food, beverage, cosmetics, industry, chemical industry, machinery, etc., the connection is firm and easy to use.

Connection method: threaded, welded, quick assembly, different connection methods can be used according to different customer requirements.