Graphite 58G726

The Milwaukee Red Helix Cobalt 5/16 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.

Coated in heavy-duty titanium for long life and equipped with a 135-degree speed tip that helps to reduce walking, DEWALT Titanium Drill Bits are ideal for drilling light-gauge metals. A parabolic flu more→te design improves chip ejection while drilling.

With a pilot point tip that starts on contact, DeWalt gold ferrous drill bits deliver clean, accurate holes and helps to reduced lock-ups. The bit spinning in the chuck and a tapered web provides help more→s to increased durability to helps to reduce breakage. Size markings are located above the shank to helps to prevent wearing.