The DEWALT DD5155 pilot point bit has a Titanium Nitride Coating for maximum life. The pilot point tip starts on contact, drills clean, accurate holes and reduces burrs that cause lock-up on breakthrough. Ground from a solid 1-piece design - is up to 5 times more durable than the current 2-piece conventional product. Patented web taper increases the rigidity of the bit to decrease the potential for bit. Patented web taper increases the rigidity of the bit to decrease the potential for bit breakage Ground from a solid 1-piece design - is up to 5 times more durable than the current 2-piece conventional product Pilot point bit has a Titanium Nitride Coating for maximum life The pilot point tip starts on contact, drills clean, accurate holes and reduces burrs that cause lock-up on breakthrough
