Product: Tungsten Carbide Drill Bits for MetalMaterial: Tungsten CarbideType: Imperial,Website:http://www.chinabettool.com, Metric, Non-standardProduct Description:Tungsten carbide drill bits for metal are suitable for cutting many metal materials, such as aluminum, hardened steel, and stainless steel.We will choose most suitable design for you, because Aluminum, Hardened Steel, and Stainless Steel are different, they have different features, we should know your details of working situation, and what drill bits you are using, what the using result of your drill bits using now, we will improve our product to meet your requirement according to your detail information, and we hope our product can get a good using result.