M.A. Ford Twister GP Jobber Length Drill Bit, General Purpose, Series: 204, Imperial, #70 Drill - Wire, 0.028 in Drill - Decimal Inch, 1-1/2 in Overall Length, 5XD Cutting Depth, 2 Flutes, Spiral Flute, 5/16 in Flute Length, Straight Shank, 118 deg Point, 4-Facet Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, No Through Coolant, Solid Carbide, Uncoated, Applicable Materials: Steel, Stainless Steel, Cast Iron and Non-Ferrous Materials