Step up from flat bit in quality and performance - faster drilling, higher lifetime and less jamming!Dual cutting edges for fast and aggressive cut - up to 10 times faster drilling vs. flat boring bit.Tapered design for reduced chip clogging, less friction and less jamming even in tough applications - results in less breakages.Feed screw with coarse thread increases selfeeding in all types of wood - soft & hard, wet & treated.Polished and powder coated flute design for increased chip ejection, reduced clogging and higher selfeeding capability.