| Century Drill & Tool Step Drill Bit HSS #2 3/16-1/2 27204 Step Drill Bits High Speed Steel. Century Step Drills Are For Cutting In Ferrous And Non-Ferrous Metals Plastics And Wood Up To 1/8 Thick. Double Flute Design Reduces Chatter And Deburrs Holes. Zirconium Coating Reducers Ware For A Longer Tool Life.... more | | $26.99 $21.55 FREE shipping go to store |