Product: Tungsten Carbide Drilling and Milling Thread MillsMaterial: Tungsten Carbide Type: Metric,Website:http://www.chinabettool.com, Imperial, Non-standardProduct Description:Tungsten carbide drilling and milling thread mills are designed to drilling, chamfering, and milling together, the drill part is designed into 2 flutes or 3 flutes.Cooling way is special, center internal cooling or redial internal cooling are designed.It is suitable to process aluminum and cast iron and so on., it is widely applied in thread holes of clutch and differential carrier.We can supply non-standard thread tools for you, designed for your requirement.