[OD] Cutting Diameter (Size): 0.90mm[OD] Cutting Diameter (Decimal Inch): 0.0354[OD] Cutting Diameter (mm): 0.90[Od] Shank Diameter (Decimal Inch): 0.1181[Od] Shank Diameter (mm): 3.00[L1] Overall Length (Decimal Inch): 1.969[L1] Overall Length (mm): 50.00[L2] Length of Cut (Decimal Inch): 0.106[L2] Length of Cut (mm): 2.70[L3] Reach Length (Decimal Inch): 0.394[L3] Reach Length (mm): 10.00Length Type: Extended ReachNeck Diameter (Decimal Inch): 0.0335Neck Diameter (mm): 0.85Neck Length (Decimal Inch): 0.394Neck Length (mm): 10.00Helix Angle (Degree): 30Number of Flutes: 4Flute Style: Right Hand Spiral / Medium HelixType: Micro with Neck Relief, Center CuttingHand of Cut: Right-HandShank Type: Straight / CylindricalMaterial: Sub Micron Grain CarbideFinish / Coating: UncoatedSeries: 1840Secondary Workpiece Material: Aluminum, Graphite, Copper Alloy, Brass, CFRP, Plastic, Thermoset Plastic, High Density Plastic, Titanium AlloyApplication: Roughing / FinishingUnit of Measure: mm