Dormer Screw Machine Drill, Multi-Application, Series: A520, Metric/Imperial, 4.5 mm Drill - Metric, 0.1772 in Drill - Decimal Inch, 58 mm Overall Length, 2.5XD Cutting Depth, 2 Flutes, Spiral Flute, 24 mm Flute Length, 4.5 mm Shank, Straight Shank, 130 deg Point, ADX Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, TiN Coated, Gold, 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, Titanium Unalloyed, Titanium Alloyed, Nickel Unalloyed, Nickel Alloyed, Copper, Bronze, Brass, High Strength Bronze, Aluminum Magnesium Unalloyed, Aluminum Alloyed, Thermoplastics, Thermosetting Plastics and Reinforced Plastic Materials