1.Type:co 8% pointed taps. 2.Material:HSS,HSSE 3.Coating:Alsin-A,H,Ti,etc 4.Standard:JIS ,GB,ANSI,DIN Co 8% pointed taps plug style1.Type:Co 8% pointed taps.2.Material:HSS,HSSE3.Coating:Alsin-A,H,TiCN,TIN,etc4.Standard:JIS ,GB,ANSI,DIN5.SGS ISO 9001:20086.Complete in specification If you have any question ,please feel free to contact with us.