... % spiral tap. 2.Material:HSS,HSSE 3.Coated:Tin,Ticn,Bright,H,Alsin-A 4.Thread type:M,UNC,BSW with ... : 1.Type:spiral taps for stainless steel .2.Material:HSS,HSSE3.Coating:Tin,Ticn,Bright,H,Alsin-A,etc4.Thread type:M ... kinds of materials like Aluminum,Casting aluminum,Copper,Brass,Carbon steel,Stainless steel.8.Certificate:ISO 9001:2008 Related product: Forming tap ...