3/64" Cobalt Drill Bit

3/64" Cobalt Drill Bit. .0625 decimal equivalent,7/8" flute length,1 7/8" 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.