by DEWALT
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Dewalt DD4421B6 U Letter Cobalt Jobber Length Drill is designed with optimized geometries that deliver 3X more life than the competition. The patented web taper is 2X larger than the competition for increased strength, rigidity and breakage resistance. This cobalt drill features an optimized 135 degree split point that gives exceptional service life and also allows the bit to start on contact. The heavy duty flute design produces maximum durability, and the increased cobalt content provides exceptional wear resistance and longer life.
Industrial Drilling U Letter Cobalt Jobber Length Drill (6 Pack)Designed with optimized geometries that deliver 3X more life than competitionPatented web taper is 2X larger than the competition for increased strength, rigidity and breakage resistanceOptimized 135 degree split point gives exceptional service life and also allows the bit to start on contactHeavy duty flute design produces maximum durabilityIncreased cobalt content provides exceptional wear resistance and longer life
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