1.Type:hss spiral taps,cutting tap 2.Material:HSS,HSSE 3.Coating:Alsin-A,H,Tin,etc 4.Standard:JIS ,GB,DIN 5.ISO 9001:2008 hss spiral taps,cutting tap 1.Type:hss spiral flute 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.