The Bite Type Fittings consists of three parts: the fittings, the ferrule and the nut.When the ferrule and nut are inserted into the steel pipe and the joint body is inserted, the front end of the ferrule is fitted with the conical surface of the fittings, and the inner blade is evenly penetrated into the seamless steel tube to form an effective seal.Advanced structure, good performance, light weight, small volume, easy to use, widely used in hydraulic system.