Titan USA Screw Machine Drill, Type C Heavy Duty Stub Length, Series: 300, Imperial, #31 Drill - Wire, 0.12 in Drill - Decimal Inch, 1-7/8 in Overall Length, 7/8 in Cutting Depth, 2 Flutes, Spiral Flute, 7/8 in Flute Length, 0.12 in Shank, Straight Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Uncoated, Applicable Materials: Steel, Stainless Steel, Cast Iron, Titanium, Nickel, Copper, Aluminum, Magnesium and Synthetic Materials