carbide cutting tool,tips gear cutter,milling cutter,threading insert patent coating technique ... standard,also can produce according to drawings.4. Material: carbide,HSS5.Characteristic: super high wear resistance,corrosion resistance,low friction ... B6th: chamfer gear hob Main products in our company: Carbide tips, brazed tips,carbide blades,turning inserts, milling inserts,threading inserts,gear hob, ...