SGS Double Margin Drill, High Performance, Series: 120, 3.2 mm Drill Size - Metric, 0.126 in Drill Size - Decimal Inch, 66 mm Overall Length, 3XD Cutting Depth, 2 Flutes, Spiral Flute, 20 mm Flute Length, 6 mm Dia x 36 mm L Shank, Straight Shank, 145 deg Point, 8-Facet Point, Right Hand Cutting, Solid Carbide Cutting Edge, Solid Carbide, Di-NAMITE Coated, Applicable Materials: Cast Iron, Non-Ferrous Metals, Plastics and other Tough to Machine Materials