1)Hss metric machine tap 2)Standard size or as require 3)Coating:TIN,ALSIN-A,H,TICN,Bright 4)High precison Alsin-A coated metric machine tapFeature1.Material:High speed steel2.Standard:JIS3.Size:Standard (metric,UNC,W...)4.Applicable Industry:Automobile and Aircraft Industry,Electronics Industry,Metals Industry,Timepiece Industry,etc.5.Work material:Medium Carbon Steel,alloy steel, cast iron, ...