Vulcan 220391OR Drill Bit, 3/8 in Dia x 5 in L, Straight Shank, High Speed Steel, Titanium Nitride C

Titanium Nitride coating reduces friction and last longer, cutting edge stays sharper longer. Split point eliminates the need for a center punch and keeps the drill from skating. All sizes 3/16" and larger have three flats on the shank for a better grip on chuck.