#CDB21 - 21PC Cobalt Drill Bit Set

 

• Made from M42 8% cobalt with superior hardness for the highest possible heat and wear resistance
• Suitable for the toughest high alloy steels, stainless and fasteners
• 135° split point design for easier hole starting, faster cutting and longer edge life
• 3-flats ground on shank for a more positive grip using cordless keyless chucks
• Includes 21 cobalt drill bits in sizes 1/16" through 3/8" in 64ths