Screw machine drill, type J heavy duty stub length, series: 325, imperial, #49 drill - wire, 0.073 in drill - decimal inch, 1-11/16 in overall length, 11/16 in cutting depth, 2 flutes, spiral flute, 11/16 in flute length, 0.073 in shank, straight shank, 135 deg point, split point, right hand cutting direction, M42 HSS-co 8 cutting edge, M42 HSS-co 8, uncoated, Applicable materials: steel, stainless steel, cast iron, titanium, nickel, copper, aluminum, magnesium and synthetic materials.