SGS Double Margin Drill, High Performance, Series: HI-PERCARB 135M, 6.5 mm Drill Size - Metric, 0.2559 in Drill Size - Decimal Inch, 79 mm Overall Length, 3XD Cutting Depth, 2 Flutes, Right Spiral Flute, 34 mm Flute Length, 8 mm Dia x 36 mm L Shank, Straight Shank, 145 deg Point, Notched Point, Right Hand Cutting, Solid Carbide Cutting Edge, Solid Carbide, AlTiN, Applicable Materials: Cast Iron, High Temperature Alloy, Steel, Stainless Steel, Titanium, Non-Ferrous and Hardened Steel