Plug introduction:

Plug is a kind of mechanical fastener, the role is sealing.

The name of plug is screw plug, plug head, throat plug used in water, oil, steam and other media.

According to the different thread is divided into: metric system, British system, American system.

A) according to the shape of the different points: hexagonal plug, hexagonal plug, cone thread plug, cone thread plug home hydraulic manufacturing square plug,

B) According to the different material is divided into plastic plug, cold plug, 45# plug, stainless steel plug, copper plug,

C) According to the different surface treatment, it can be divided into blue, zinc, nickel and chrome.