DeWALT SDS MAX High Impact 4 Cutter Bit, 7/8" x 8" x 13-1/2"

The innovative tip design of the DeWALT SDS Max drill bit 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.