SGS Straight Flute Drill Bit, General Purpose, Series: 106, Imperial, #11 Drill - Wire, 0.191 in Drill - Decimal Inch, 2-3/16 in Overall Length, 3XD Cutting Depth, 2 Flutes, Straight Flute, 1-1/8 in Flute Length, 0.191 in Shank, Straight Shank, 140 deg Point, Standard Point, Right Hand Cutting Direction, Micrograin Solid Carbide Cutting Edge, Applicable Materials: Cast Iron, Hardened Steel and Steel, No Through Coolant, Micrograin Solid Carbide, Uncoated