The electric heating couple fittings is also called the electric heat pipe joint. The hexagonal flange has a few holes in the middle, which is used for the connection and fixing of the electric heating product parts. Surface treatment: steel tube primary color, polishing, electroplating, sanitation grade, according to different customer requirements can be used in different surface treatment; Main applications: electric heating products. Connection mode: thread, different connection mode can be adopted according to different customer requirements.