Makita HP2071X3

The Milwaukee Red Helix Cobalt 5/16 in. Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a Variable Helix t more→hat includes an aggressive 35 degree Helix Angle which ends at 15 degree. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metals, PVC and wood. The tapered drill bits feature a new enhanced tapered web that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide brill bits.

These Double-Fluted Step Drill Bits provide faster cutting and drilling than single flute bits. The easy-to-read step markings and targets save time when drilling holes. Thick 3/8-Inch hex shank provi more→des a firm, positive grip and won't spin out in the drill.

The Milwaukee 2 in. SwitchBlade Selfeed Bit drills up to 12% faster and delivers up to 2X longer life. Designed for any trade that demands repetitive cutting of large holes in wood, SwitchBlade bits a more→llow you to remove and replace blades rather than resharpen. You get a new bit with every quick, convenient change of the hardened steel blade and less downtime on the job. An aggressive feed screw design enables the bit to pull through quickly for faster drilling. Built to last and designed to perform, Milwaukee SwitchBlade Selfeed bits deliver more holes for the money.