HSS TiN Heavy Duty – Taper Length
Type 221-PT TiN Heavy Duty Parabolic Flute – Tang Drive 135° Split point
— High performance drill combines the superior wear resistance of TiN coating, and the deep hole drilling advantages of parabolic flutes.
— Parabolic flute design offers wide flutes combining with a higher helix to eliminate chip ejection difficulties.
— Titanium Nitride coating for good lubricity, low heat resistance and extended tool life.
— Tang drive is two opposite parallel driving flats on the extreme end of a straight shank.
— Proudly manufactured in the USA.
PDF — Type 221-PT Heavy Duty Parabolic Flute Taper Length Tang Drive