“IRWIN” COBALT HIGH SPEED DRILL BIT Constructed of M-42 5 percent cobalt high speed steel for super abrasive resistance in tough metals heavy duty spiral flute design produces faster chip ejectio
“IRWIN” COBALT HIGH SPEED DRILL BIT Constructed of M-42 5 percent cobalt high speed steel for super abrasive resistance in tough metals heavy duty spiral flute design produces faster chip ejectio