1.Type:machine tap. 2.Material:HSSE,CPM,CPS 3.Coating:Tin,Ticn, ... ,Bright etc 4.Thread type:Long or short Chamfer Machine tapsFeatures: 1.Type:machine taps2.Material:HSSE,CPM,CPS3.Coating:Tin,Ticn ... .High precison,high effcience,long time work life7.Good wear resistance. If you have any question ,please do not hesitate to ...