Dormer Jobber Length Drill Bit, Type N Heavy Duty, Series: A777, Metric/Imperial, 5.8 mm Drill - Metric, 0.2283 in Drill - Decimal Inch, 93 mm Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 57 mm Flute Length, 5.8 mm Shank, Straight Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, HSS-E Cutting Edge, No Through Coolant, HSS-E, Bronze, Applicable Materials: Aluminum Magnesium, Cast Iron, Copper, Steel, Stainless Steel, Titanium, Nickel and Hard Materials