Milwaukee M18 CBLDD-0 (4933464316)

The Milwaukee Red Helix Cobalt 7/16 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.

ImpactX is a line of impact-rated insert bits and fastening accessories built specifically for the demands of the professional contractor. Professionals require commercial duty bits and fastening acce more→ssories that can endure the force of high-volume screw driving applications with high torque impact drivers. Standard screwdriving bits are brittle and fit poorly into fasteners and in applications with high torque impact drivers this losing combo quickly leads to broken bits. ImpactX hits back with improved fitment and increased performance with high torque impact drivers.