[OD] Cutting Diameter (Size): 2.75mm[OD] Cutting Diameter (Decimal Inch): 0.1083[OD] Cutting Diameter (mm): 2.75[Od] Shank Diameter (Decimal Inch): 0.1181[Od] Shank Diameter (mm): 3.00[L1] Overall Length (Decimal Inch): 1.496[L1] Overall Length (mm): 38.00[L2] Flute Length (Decimal Inch): 0.400[L2] Flute Length (mm): 10.20Number of Flutes: 2Flute Style: Spiral / HelicalLength Type: Standard[Hand of Cut: Left-HandPoint Geometry: 4 FacetPoint Angle (Degree): 130Shank Type: Straight / Cylindrical [Material: Sub Micron Grain CarbideFinish / Coating: UncoatedSeries: 226LPrimary Workpiece Material: Copper Alloy, Plastic, Thermoset Plastic, High Density PlasticSecondary Workpiece Material: Aluminum, Graphite, CFRP, Titanium AlloyApplication: Micro DrillingUnit of Measure: mm