GARR Jobber Length Drill Bit, High Performance, Series: 1280KH, Imperial, U Drill - Letter, 0.368 in Drill - Decimal Inch, 4-1/4 in Overall Length, 5XD Cutting Depth, 2 Flutes, Spiral Flute, 2.2812 in Flute Length, 0.368 in Shank, 140 deg Point, Submicron Grain Solid Carbide Cutting Edge, Yes Through Coolant, Submicron Grain Solid Carbide, TiAlN, Applicable Materials: High Nickel, High Temperature Alloy, Cobalt Based Alloy, Stainless Steel and Tool Steel