Precision Twist Drill Jobber Length Drill Bit, General Purpose Standard Length, Series: D33M, Metric/Imperial, 10 mm Drill - Metric, 0.3937 in Drill - Decimal Inch, 114 mm Overall Length, 3XD Cutting Depth, 2 Flutes, Spiral Flute, 73 mm Flute Length, 10 mm Shank, Straight Shank, 118 deg Point, 4-Facet/Self-Centering Point, Right Hand Cutting Direction, Carbide Cutting Edge, No Through Coolant, Carbide, Bright, Applicable Materials: Magnetic Soft Steel, Structural Steel/Case Carburizing Steel, Plain Carbon Steel, Alloy Steel/Hardened and Tempered Steel, Alloy Steel Hardened, Lamellar Graphite, Nodular Graphite/Malleable Cast Iron, Brass, Bronze, Abrasive and Non-Ferrous Materials