Carbide sleeve has the advantages of self-lubrication, wear resistance, high temperature resistance, large bearing capacity, corrosion resistance, etc. It can be processed according to customer requirements of various dimensions and specifications. Mainly used in the support of rotary shaft, all kinds of pump bearing sleeve, motor shaft sleeve, sealed shaft sleeve. Used for drilling tools, known as drilling casing, also known as bushings. The metal processing fixture is used to guide the cutting tool, using the drill sleeve.