Short head to flute entrance allows debris to quickly channel down the flute for faster drilling progress. Chisel shaped head geometry for faster drilling progress. Self Centering Tip for easy spot drilling. Reinforced flute geometry reduces vibrations, increases breakage resistance, & transfers more energy from power tool motor to tip of the drill bit. Rebar Chamfer prevents carbide head from cracking in the event of contact with reinforced concrete product not intended for use in reinforced concrete.