1.Type:cutting tools-spiral tap. 2.Material:HSS,HSSE 3.Coated:Tin,Ticn, ... .Thread type:M,UNC,BSW with JIS Cutting tools-spiral tapFeatures: 1.Type:cutting tools.2.Material:HSS,HSSE3.Coating:Tin,Ticn ... have any question ,please do not hesitate to contact with us.