... ,Alsin-A 4.Thread type:M,UNC,BSW JIS Hssco spiral machine taps Features: 1.Type:JIS Hssco spiral machine taps.2.Material:HSS ... ,HSSE3.Coating:Tin,Ticn,Bright,H,Alsin-A,etc4.Thread type ... :M,UNC,BSW with JIS5.Samble is available.6.Platform:Tapping machine,CNC,Auto lathe,machine center.7.Working ...