• Heavy-duty construction made to type J aircraft
• High red hardness of cobalt permits speeds 30% greater than HSS drills

Drillco 500A112 Jobber Length Drill Bit, 500 Series, Heavy-Duty, Fractional Drill Size: 3/16 Inch, Point Angle: 135 deg, Point Type: Split, Cobalt, Grade: M-42, Gold, Flute Length: 2-5/16 Inch, Shank Type: Straight, Shank Diameter: 3/16 Inch, Shank Length: 1-1/5 Inch, Overall Length: 3-1/2 Inch