Bosch GSR 120-LI Professional 06019F700D

"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 3.5 in. Impact Duty Square Bits are engineered to be the Most Durable, Best Fitting driver bits on the market. The Wear Guard Tip delivers increased wear resistance which prote more→cts the fit over the life of the bit. The Shockzone is optimized for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Custom Alloy76 has customized steel and heat treatment per tip type to extend the life of the driver bits, providing up to 50X life vs. competitive impact driver bits. The Milwaukee Shockwave driver bits are built to deliver extreme durability for the most demanding applications.

FLEXTORQ bits are engineered for durability. This latest generation from DEWALT redefines fitment and performance with overhauled tip geometries. DEWALT's newest FLEXTORQ PH2 bits deliver 100% more sc more→rews per bit. The redesigned tip geometries for use with T20 to T40 size fasteners deliver from 2X up to 5X superior fit. Every FLEXTORQ bit features a FLEXTORQ Zone designed to absorb impact for up to 200X longer life.