DeWalt DD4112B12 3/16" Cobalt Screw Machine Drill Bit 12 Bits
Patented web taper is 2X 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