MARXMAN Jobber Length Drill Bit, Heavy Duty, Series: 330C, Imperial, #20 Drill - Wire, 0.161 in Drill - Decimal Inch, 3-1/4 in Overall Length, 2-1/8 in Cutting Depth, Standard Flute, 2-1/8 in Flute Length, 0.161 in Shank, Straight Shank, 135 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, Cobalt Cutting Edge, No Through Coolant, Cobalt, Bright, Applicable Materials: Ferrous Casting, High Alloy Steel, Inconel, Stainless Steel and Titanium