21/64" Diameter 4-5/8″ OAL Surface Treated-Cobalt-Heavy Duty Jobber Drill

Heavy duty construction• Cobalt steel offers increased hardness, toughness, wear resistance and heat resistance. Recommended for drilling tough, high tensile strength materials that generate higher cutting temperatures including high alloy steels, ferrous castings, titanium, inconel, stainless steels and other difficult-to-drill materials. 135∞ split point.