PDC Applications Drill Faster, Further, with the...
Special Gauge Features
Carbide Matrix Body
Exclusive Forward Swept Blade for Superior Cleaning
13mm Face Cutters
Available 7 7/8", 8 3/4" Sizes
ABSTRACT - US PATENT 5443565
A drill bit characterized by a body fitted with multiple spaced blades having a forward sweep relative to the center of the selected cutting edges disposed at selected bevel angles with respect to the sides of the cutting elements. The cutting elements are strategically located in the respective blades in desired forward sweep, back rake and side rake configurations to facilitate optimum cutting efficiency and channelling of drilling fluid pumped through the drill bit around the blades and cutting elements to clear the cutting elements of formation cuttings in an optimum manner.