1.Type:spiral pointed taps. 2.Material:HSS,HSSE 3.Coating:Alsin-A,H,Ti,etc 4.Standard:JIS ,GB,ANSI,DIN spiral point plug for cnc machine1.Type:spiral pointed taps2.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.