MORSE Jobber Length Drill Bit, General Purpose, Series: 1333, Metric/Imperial, 1.55 mm Drill - Metric, 0.061 in Drill - Decimal Inch, 43 mm Overall Length, 20 mm Cutting Depth, 2 Flutes, Standard Flute, 20 mm Flute Length, 1.55 mm Shank, Straight Shank, 118 deg Point, Standard Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Oxide Treated, Applicable Materials: Aluminum and Non-Ferrous Metals