Milwaukee Black Oxide Step Drill Bit Set with Titanium Drill Bit Set (29-Piece)

Black Oxide Step Drill Bit Set with Titanium Drill Bit Set (29-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 in High Speed. The Rapid Strike tip allows for a fast and accurate start that generates less heat, resulting in 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 6-Piece Set includes bits #1 (48-89-9201), #4 (48-89-9204), #6 (48-89-9206), #7 (48-89-9207), #8 (48-89-9208) and #9 (48-89-9209). Jam-Free Performance in high speed with most professional 18-Volt cordless drills with lithium-ion battery technology. Milwaukee SHOCKWAVE Impact Duty Titanium Drill Bits with RED HELIX are engineered for impacts drivers and drills and provide up to 5X life vs. black oxide drill bits. The QUAD EDGE tip delivers a precision start and four cutting edges to create smaller chips for faster removal and less heat leading to longer bit life. The bits also feature an internal ENHANCED TAPERED WEB that greatly increases their strength, reducing premature breakage.