YG-1 Dream Drill, Long Length, Series: DH408, 12 mm Drill Size - Metric, 0.4724 in Drill Size - Decimal Inch, 118 mm Overall Length, 5XD Cutting Depth, Slow Spiral Flute, 71 mm Flute Length, 12 mm Shank, Straight Shank, 140 deg Point, Split Point, Right Hand Cutting, Micro Grain Carbide Cutting Edge, Micro Grain Carbide, TiAlN, Applicable Materials: Cast Steel, Cast Iron, Chilled Cast Iron, Malleable Cast Iron, Non-Ferrous Metals, Abrasive Plastic, Heavy and Light Metals