Seco Extension Length Drill Bit, Imperial Universal, Series: SD1112A, 5/16 in Drill Size - Fraction, 7.938 mm Drill Size - Metric, 0.313 in Drill Size - Decimal Inch, 5.827 in Overall Length, 12xD Cutting Depth, 2 Flutes, Spiral Flute, 4.331 in Flute Length, 0.315 in Dia x 1.417 in L Shank, Cylindrical Shank, 140 deg Point, Self-Centering Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Solid Carbide, TiAlN Coated, Applicable Materials: Cast Iron, Hard Materials, Non-Ferrous Metals, Steel and Stainless Steel, Specifications Met: DIN 6537A, Yes Through Coolant (Yes/No)