OSG Drill Bit, Jobber Length Standard, Series: 215, Metric, 2.1 mm Drill - Metric, 0.0827 in Drill - Decimal Inch, 44.5 mm Overall Length, 19.1 mm Cutting Depth, 2 Flutes, Slow Spiral Flute, 19.1 mm Flute Length, 2.1 mm Dia Shank, Straight Shank, 135 deg Point, 4-Facet Point, Right Hand Cutting, Carbide Cutting Edge, Through Coolant (Yes/No): No, Carbide, Uncoated, Applicable Materials: Alloy Steel, Aluminum, Carbon Steel, Cast Iron, Die Steel, Hardened Steel, Nickel Alloy, Stainless Steel and Titanium