Diablo DHS4BITCB 4" Cobalt Pilot Drill Bit Diablos high performance Pilot Bit delivers faster cutting performance and increased productivity and is designed to fit all snap-lock plus mandrels...
Milwaukee 48-89-9203 #3 Step Drill Bit, 1/4" - 3/4" by 1/16"
Milwaukee® Step Drill Bits with JAM-FREE Performance feature a dual-flute design delivering up to 2X faster hole times, up to 4X longer...