Product: Non-standard Tungsten Carbide Drill BitsMaterial: Tungsten CarbideType: Imperial,Website:http://www.chinabettool.com, Metric, Non-standardProduct Description:We can provide many types non-standard tungsten carbide drill bits, such as internal cooling drill bits, twist drill bits, straight flute drill bits, counterbore drill bits, spotting drill bits, step drill bits and so on.We can process it according to your drawing, or we can design it for you.Regarding our product materials, there are many types, we can choose the suitable material for you.