Precision Twist Drill Jobber Length Drill Bit, Heavy Duty, Series: 2ACO, Metric/Imperial, 10.5 mm Drill - Metric, 0.4134 in Drill - Decimal Inch, 133 mm Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 87 mm Flute Length, 10.5 mm Shank, Straight Shank, 135 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, HSS-E Cutting Edge, No Through Coolant, HSS-E, Bronze Oxide, Applicable Materials: Magnetic Soft Steel, Structural Steel/Case Carburizing Steel, Plain Carbon Steel, Alloy Steel/Hardened and Tempered Steel, Free Machining Stainless Steel, Austenitic, Ferritic + Austenitic, Martensitic, Lamellar Graphite, Nodular Graphite/Malleable Cast Iron, Unalloyed Titanium, Alloyed Titanium, Unalloyed Nickel, Alloyed Nickel, Copper, Brass, Bronze, High Strength Bronze, Unalloyed Aluminum Magnesium, Alloyed Aluminum and Cermets