5/16" Titanium Coated Drill Bit, 1/4" Hex Shank

The Makita Hex Shank Titanium Nitride Bits are designed for use drilling holes with impact drivers or driver-drills. These bits feature a 135° split point for faster more accurate starts in a variety of material. Each bit is made from high speed steel and coated with titanium nitritde for added durability and a long life.