Fullerton Center Drill, Double End, Series: 2305, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 1/8 in Point Diameter, 5/16 in Diameter Body, 2-1/8 in Overall Length, 2 Flutes, Spiral Flute, 5/16 in Shank, Round Shank, 118 deg Point, Cam Relieved Point, 60 deg Included Angle, Right Hand Cutting Direction, Dura-Carb Cutting Edge, Solid Carbide, Bright, Applicable Materials: Brass, Copper, Cast Iron, Composites, Graphite, Hardened Steel, High Si Al, Low Si Al, Steel, Stainless Steel and Titanium