Designed with optimized geometries that deliver 3 time more life than competition. Patented web taper is 2 time larger than the competition for increased strength, rigidity and breakage resistance. Optimized 135 degree split point gives exceptional service life and also allows the bit to start on contact. Heavy duty flute design produces maximum durability. Increased cobalt content provides exceptional wear resistance and longer life. Cobalt bits for drilling into metal. 135 degree split point to reduce walking when starting bit.