Using the most modern manufacturing methods and design techniques, the C2 is a revolutionary high performance multi-purpose screw. Designed to give ultimate performance in a multitude of materials, the patented twin-cut point gives a consistent and rapid "pick-up" and reduces timber splitting. These unique features coupled with a synthetic lubrication and dual angle thread results in 52% less insertion torque and 43% quicker insertion time. NOTE: Partially threaded.