Irwin 63912 Jobber Drill Bit 3/16 in Dia 3-1/2 in OAL Spiral Flute 2-Flute 3/16 in Dia Shank Straight Shank

Titanium nitride coating reduces friction and last longer, cutting edge stays sharper longer. Used in repetitive metal drilling with portable drills or stationary drill press. Jobber length.