"IRWIN INDUSTRIAL TOOL" TITANIUM METAL INDEX DRILL BITS
* Speedbor, 29 piece
* Titanium metal index drill bits
* 1/16" through1/2" by 64ths with 3/8" reduced shank
* Lasts up to 10 times longer than standard hss drill bits
* 140 degree split point for less walking & quicker starts
* Cutting edge stays sharper longer
* Tin coating reduces friction
* Application is for repetitive metal drilling with portable or stationary drill presses
* Rugged metal index case with rubber over mold & removable cartridges.