Feature: 1)HSS thread tap,roll form tap 2)Thye:M,UNC,UNF,W ... 3)Material:HSSE,CPM,CPS 4)Coating:TIN,ALSIN-A,TICN,Bright HSS thread ... product advantages:1.chipless tapping2.stronger threads3.better thread gaging4.longer tap life5.more efficient production6. ... of OriginFujian, China (Mainland)Brand NameXYCModel NumberNRT (Thread forming tap)CoatingTIN,TICN,ALSIN-A,Bright finishTypeMetric, ...