Bosch GSR 18-2-LI Plus Professional 06019E61SF

"The Milwaukee Red Helix Cobalt 7/16"" 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 th more→at includes an aggressive 35 degrees Helix Angle which ends at 15 degrees. The 135 degrees 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."

Greenlee Drill/Tap Bits tap holes up to 4 times faster than traditional methods.

FlexTorq bits are engineered for durability. Every FlexTorq bit features a FlexTorq zone designed to absorb impact for longer life. Save time and find the right bit with the new highly-visible laser-e more→tched size. Each FlexTorq bit is impact-ready with a 1/4 in. hex shank for use in impact drivers and drills.