Guhring Screw Machine Drill, High Penetration High Performance Stub Length, Series: RT100U/5510, Metric, 11 mm Drill - Metric, 0.4331 in Drill - Decimal Inch, 102 mm Overall Length, 3XD Cutting Depth, 2 Flutes, Spiral Flute, 55 mm Flute Length, 12 mm Dia x 45 mm L Shank, Straight Shank, 140 deg Point, SU/Self-Centering Point, Right Hand Cutting Direction, DK460UF Carbide Cutting Edge, DK460UF Carbide, FIREX Coated, Applicable Materials: Aluminum, Alloyed Steel, Free Cutting Steel, Tool Steel, Stainless Steel, Titanium and Titanium Alloy, Cast Iron, Brass, Bronze, Copper, Magnesium, Special Alloy and Hardened Steel