Milwaukee® Jobber Length Twist Drill Bit, Series: Thunderbolt® RED HELIX™, Imperial, 3/8 in Drill - Fraction, 0.375 in Drill - Decimal Inch, 5.12 in Overall Length, 3-5/8 in Cutting Depth, Parabolic Flute, 3-5/8 in Flute Length, 3/8 in Shank, 3-Flat Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, Steel Cutting Edge, Steel, Cobalt Coated, Applicable Materials: Wood, Metal, Plastic, PVC and Stainless Steel