Drillco Straight Flute Drill Bit, Series: 710, Imperial, #4 Drill - Wire, 0.0846 in Drill - Decimal Inch, 2-3/8 in Overall Length, 1-1/4 in Cutting Depth, Straight Flute, 1-1/4 in Flute Length, Straight Shank, 140 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, Solid Carbide Cutting Edge, Applicable Materials: Nickel Alloys, Chrome Alloys, Steel Weldments, Titanium Alloys, High Temperature Alloys and Stainless Steel Weldments, Solid Carbide, Bright