Black Oxide Step Drill Bit Set (12-Piece)

MILWAUKEE Step Drill Bits with JAM-FREE Performance feature a dual-flute design delivering up to 2X faster hole times, up to 4X longer life, and up to 50% more holes per battery charge than competitors. Ideal for drilling small and large-diameter holes in steel and plastic, these bits are optimized for cordless drills at high speed. The Rapid Strike tip allows for a fast and accurate start that generates less heat, resulting in a longer bit tip life. Black oxide coating also enhances durability, hole 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. The Step Drill Bit 12-Piece Set includes bits (2) #1 (48-89-9201), (2) #4 (48-89-9204), (2) #6 (48-89-9206), (2) #7 (48-89-9207), (2) #8 (48-89-9208) and (2) #9 (48-89-9209). JAM-FREE Performance at high speed with the most professional 18-volt cordless drill with lithium-ion battery technology.