Solid Carbide Drill High Precision A3487-17.5 Number of Pieces 1 K20F Grade Solid Carbide Uncoated Finish Self-Centering Point Drill Point (Deg.) 120 Decimal Equivalent 0.689 In. Flute Length (In.) 4.488189 Flute Length (mm) 114 Overall Length (In.) 7.519685 Overall Length (mm) 191 Shank Dia (In.) 0.708661 Shank Dia (mm) 18 Cast Iron NF Metals High Temperature Alloys and Titanium Alloys