Milwaukee RED HELIX Jobber Length Twist Drill Bit, Imperial, 3/16 in Drill - Fraction, 0.1875 in Drill - Decimal Inch, 3.54 in Overall Length, 2-5/16 in Cutting Depth, Parabolic Flute, 2-5/16 in Flute Length, 3/8 in Shank, Round Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, Steel Cutting Edge, Steel, Uncoated, Applicable Materials: Hard Metal, Plastic, PVC, Stainless Steel and Wood