... ,spiral taps 2.Material:HSS,HSSE 3.Coated:Tin,Ticn,Bright,H,Alsin-A 4.Thread type:M,UNC,BSW M5X0.8 HSS spiral fluted ... tap Features: 1.Type:HSS spiral fluted tap,machine tap,cutting tap.2.Material ... :HSS,HSSE3.Coating:Tin,Ticn,Bright,H,Alsin-A,etc4.Thread ...