Bosch GSB 18V-50 Professional 06019H5106

"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."

IRWIN Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits

The Milwaukee Shockwave Impact Duty 75PC Drill, Drive and Fasten Set is engineered to be the Most Durable, Best Fitting driver bits on the market. The Wear Guard Tip delivers increased wear resistance more→which protects the impact bit's fit over the life of the bit. The Shock Zone is optimized for each tip type and length of driver bit in the set to absorb peak torque and prevent breaking. The driver bits are made from Custom Alloy76 steel and a proprietary heat treatment process to extend bit life, providing up to 50X life versus other impact driver bits on the market. The Milwaukee Shockwave Impact Duty driver bits are built to provide users with extreme durability for the most demanding applications.…