29 Pc Cobalt Drill Bit Set

29 pc Drill Index. Sizes 1/16 in to 1/2 in by 64ths. This set is made from M-42 steel which features 8% COBALT for hardness that will give you a long service life. 135 degree split point tip. Penetrates 75% faster. Split point tips eliminate walking. These are full jobber size bits. Precision ground cutting edges for drilling exotic metals. Guaranteed to meet or exceed all the Federal Government Specifications for the Industrial Rating Standards of drill bits. Larger bits have a 3/8 in cut down shank, so the larger bits will fit in the smaller drill motors.