Irwin® Jobber Length Drill Bit, General Purpose, series: 30190, Imperial, 3/8 in Drill - Fraction, 0.375 in Drill - Decimal Inch, 5 in Overall Length, 3-5/8 in Cutting Depth, 1 Flutes, Spiral Flute, 3-5/8 in Flute Length, 3/8 in Shank, 3-Flat/Straight Shank, 135° Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Black/Gold Oxide, Applicable Materials: High Alloy Steel, Mild Steel and Sheet Metal.