Wire Gage Size General Purpose Jobber Length Drills - 135° Split Point - Heavy Duty, Straight Shank - M42 Cobalt

Use: 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 steel and other difficult to drill materials.