Description of DEWALT DW5822 8 Inch 18 Inch 4 Cutter
Innovative tip design maximizes carbide surface contact for longer life. Open head design allows mill to easily enter the flutes for faster drilling. Longer helix expedites mill removal from the hole for faster drilling. Hardened core reduces bit breakage. Hardened core reduces bit breakage.
This is the worst drill I have ever used. The chisel only made about 30 holes before losing its sharpness. The best part lately has been Milwakees, next up is Hilti, third was Bosch. Don't even think about Dewalt.