... H,Alsin-A 4.Thread type:M,UNC,BSW with JIS Thread cutting tools Features: 1.Type:Thread cutting tools,cutting tap ... Tin,Ticn,Bright,H,Alsin-A,etc4.Thread type:M,UNC,BSW with JIS5.Samble is available.6.Platform:Tapping ... Different kinds of materials like Aluminum,Casting aluminum,Copper,Brass,Carbon steel,Stainless steel.8.Certificate:ISO 9001:2008 ... any question ,please do not hesitate to contact with us.