'Spade Drill, Size 5/16 In, Shank Dia. 0.3125, Point Angle 118, Material Solid Carbide, Overall Length 2-1/2 In, Finish Uncoated, Application For Non-Ferorous Material, Hardened Material, Stainless Steel, Normally Limited To 2 x Diameter Drilling Depths, Ideal For Shallow Hole and Thin Sheet Applications'