Makita HP332DZ

Diablo's spade bit range provides one of the fastest, most effortless hole-drilling solutions on the market for fast, clean wood. The high-performance Speed-Tip design self-feeds for faster hole-makin more→g when compared to traditional spade bits.

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

The Milwaukee Red Helix Cobalt 1/2 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 th more→at 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.