11/32" Cobalt Drill Bit

11/32" Cobalt Drill Bit. .3438 decimal equivalent 3 7/16" flute length 4 3/4" overall length. Cobalt drills feature a 135 degree split point for instant penetration without a center punch. These drills are made from a special alloy of M42 steel containing 8% cobalt. The extra thick drill core adds further rigidity and strength.