Precision Twist Drill Taper Length Drill, Type N General Purpose, Series: 5ATL, 0.6102 in Drill Size - Decimal Inch, 227 mm Overall Length, 6XD Cutting Depth, 2 Flutes, Spiral Flute, 149 mm Flute Length, 0.6102 in Shank, Straight Shank, 118 deg Point, Conventional Point, Right Hand Cutting, HSS Cutting Edge, HSS, Bright, Applicable Materials: Magnetic Soft Steel, Structural Steel, Carburizing Steel, Plain Carbon Steel, Nodular Graphite, Malleable Cast Iron, Reinforced Plastic Materials and Copper