Cobalt Jobber 5/16" Drill Bit

Regular price $6.08

  • 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
  • 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
  • Optimized 135 degree split point gives exceptional service life and also allows the bit to start on contact