Bosch PSR Select 0603977020

"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."

The Milwaukee Shockwave Impact Duty Phillips Bits are engineered to be the Most Durable, Best Fitting driver bits on the market. The Phillips bits feature Wear Guard Tip for increased wear resistance more→which protects the fit over the life of the bit. The impact driver bits have and optimized Shockzone for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Custom Alloy76 Steel is customized and heat treated per tip type to extend the life of the driver but by up to 50X vs. competitive impact driver bits. The Milwaukee Shockwave Impact Duty driver bits are built to deliver extreme durability for the most demanding applications.

The Bosch Drilling and Driving Mixed Bit Set features driver and drill bits for all-in-one convenience. This set also comes with a variety of accessories to help solve general drilling and fastening t more→asks. The included driver bits are designed to lessen damage to the screw head, with better bit-gripping power. This set provides drill bits for applications for wood, metal and masonry. It also provides an easy-to-use case, to help the user organize the bits.