1.Manufactureed from vadium high-speed steel with a necked design

2.Faster apiral flutes improve chip-lifting action and apan wider spaces in the hole  while tapping.

3.Achieve excellent results in deep blind holes

4.Plug chamfer taps have 3 to 5 pitches;bottoming chamfer taps have 1 to 2 pitches

5.Wide range for the following threads:M,MF,G,BSW,UNC,UNF.