1)Machine tap for deep hole 2)Standard size or special as require 3)Material: ... M42,CPM,CPS 4)Coated:TIN Machine taps for deep hole Feature1.Material:HSSE,CPM,CPS 2.Standard:JIS3.Size ... ,etc.5.Work material:Medium Carbon Steel,alloy steel, cast iron, cooper, aluminum, etc.6.Good machinability, wear-resistant teeth, higher ...