1/8 in. - 1/2 in. #1 Black Oxide Step Drill Bit (13-Steps)
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Milwaukee Step Drill Bits with JAM-FREE Performance are optimized for Cordless Drills in High Speed. Featuring a dual-flute design delivering up to 2X faster whole times . up to 4X longer life and up to 50% more holes per battery charge than the competition. Ideal for drilling large and small-diameter holes in steel and plastic. The Rapid Strike tip allows for fast . accurate starts that generate less heat . resulting in longer bit tip life. Black oxide coating also enhances durability . whole quality and bit life. For user convenience and accuracy . each bit has laser-engraved reference marks you can see while drilling. The 3-flat Secure-Grip shank ensures a solid connection with the drill chuck.