Guhring NC Spot Drill, Series: 556, 3 mm Diameter, 46 mm Overall Length, 7.5 mm Cutting Depth, 2 Flutes, 12 mm Flute Length, 3 mm Shank, Straight Shank, 120 deg Point, Relieved Cone Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Bright, Applicable Materials: Aluminum, Cast Iron, Hardened Steel, Other Non-Ferrous Metals, Steel, Stainless Steel and Titanium Alloys