When the drilling gets tough, get some Dewalt Cobalt Drill Bits. These high-performance twist-drill bits are specifically engineered for drilling through hard metals and steel, including stainless steel. Made of industrial-strength cobalt, these bits feature a 135-degree split point for enhanced whole drilling, including quick starts and clean, burr-free holes.
- Designed with optimized geometries that deliver 3X more life than competition
- Patented web taper is 2X larger than the competition for increased strength, rigidity and breakage resistance
- Increased cobalt content provides exceptional wear resistance and longer life
- Heavy duty flute design produces maximum durability