Solid Carbide Drill High Precision K3281TFT-4.5 Number of Pieces 1 K30F Grade Solid Carbide TFT - TiNAl Finish Self-Centering Point Drill Point (Deg.) 150 Flute Length (In.) 0.377953 Flute Length (mm) 9.6 Overall Length (In.) 2.598425 Overall Length (mm) 66 Shank Dia (In.) 0.23622 Shank Dia (mm) 6