[OD] Cutting Diameter (Size): 0.0400"[OD] Cutting Diameter (Decimal Inch): 0.0400[OD] Cutting Diameter (mm): 1.02[Od] Shank Diameter (Decimal Inch): 0.1250[Od] Shank Diameter (mm): 3.18[L1] Overall Length (Decimal Inch): 2.500[L1] Overall Length (mm): 63.50[L2] Length of Cut (Decimal Inch): 0.060[L2] Length of Cut (mm): 1.52[L3] Reach Length (Decimal Inch): 0.800[L3] Reach Length (mm): 20.32Length Type: Extended Reach, StubNeck Diameter (Decimal Inch): 0.0375Neck Diameter (mm): 0.95Neck Length (Decimal Inch): 0.800Neck Length (mm): 20.32Helix Angle (Degree): 30Number of Flutes: 3Flute 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: 1742Primary Workpiece Material: BrassSecondary Workpiece Material: Aluminum, Graphite, Copper Alloy, CFRP, Plastic, Thermoset Plastic, High Density Plastic, Titanium AlloyApplication: Roughing / FinishingUnit of Measure: inch