OSG Drill Bit, Jobber Length Standard, Series: 220D, Imperial, 7/16 in Drill - Fraction, 11.113 mm Drill - Metric, 0.4375 in Drill - Decimal Inch, 114.3 mm Overall Length, 73 mm Cutting Depth, 2 Flutes, Spiral Flute, 73 mm Flute Length, 7/16 in Dia Shank, Straight Shank, 118 deg Point, 4-Facet Point, Right Hand Cutting, Carbide Cutting Edge, Through Coolant (Yes/No): No, Carbide, Bright, Applicable Materials: Alloy Steel, Aluminum, Cast Iron, Low/Medium/High Carbon Steel, Hardened Steel and Stainless Steel