General Purpose Heavy Duty, Series: 300, 1.65 mm Drill Size - Metric, 0.065 in Drill Size - Decimal Inch, 38 mm Overall Length, 5XD Cutting Depth, Spiral Flute, 16 mm Flute Length, Straight Shank, 118 deg Point, Right Hand Cutting, Solid Carbide Cutting Edge, Solid Carbide, Bright, Applicable Materials: Cast Iron, Hardened Steel, Special Alloys, Stainless Steel, Steel and Non-Ferrous Metal Materials