Balinit 1280KH Series High Performance Drill, Solid Carbide, Helica Coated, Point Type: 140 DEG, Drill Point: 0.3438 IN, Fractional Size: 11/32 IN, 2-3/16 IN Flute Length, 4 IN Length, 11/32 IN Shank, Number Of Flutes: 2, Metric Size: 8.733 MM, For High Nickel, High Temp. Alloys, Cobalt Based Alloys, Stainless Steels And Tool Steels