Guhring Jobber Length Drill, Type N General Purpose, Series: 651, Imperial Drill Diameter Measurement System, #1 Drill Size - Wire, 0.228 in Drill Size - Decimal Inch, 93 mm Overall Length, 48.315 mm Cutting Depth, 2 Flutes, Spiral Flute, 57 mm Flute Length, 5.79 mm Shank, Straight Shank, 118 deg Point, Cone Relief Point, Right Hand Cutting Direction, HSS Cutting Edge, Through Coolant (Yes/No): No, HSS, TiN Coated, Applicable Materials: Steel, Gray Cast Iron, Malleable Iron, Spheroidal Iron, Aluminum and Other Non-Ferrous Metals