Titex Deep Micro Drill, Series: X-treme DM12 A6589AMP, 2.381 mm Drill Size - Metric, 0.0937 in Drill Size - Decimal Inch, 77 mm Overall Length, 12xD Cutting Depth, 2 Flutes, Spiral Flute, 37 mm Flute Length, 3 mm Dia x 36 mm L Shank, Cylindrical/MegaJet/Alpha 4 XD Shank, 140 deg Point, Right Hand Cutting, Solid Carbide Cutting Edge, K30F Solid Carbide, AlTiN Micro Coated, Applicable Materials: Cast Iron, Non-Ferrous Materials, Steel, Stainless Steel, High Temperature Alloy and Titanium Alloy