[OD] Cutting Diameter (Size): 3/16"[OD] Cutting Diameter (Decimal Inch): 0.1875[OD] Cutting Diameter (mm): 4.76[Od] Shank Diameter (Decimal Inch): 0.1875[Od] Shank Diameter (mm): 4.76[L1] Overall Length (Decimal Inch): 3.000[L1] Overall Length (mm): 76.20[L2] Length of Cut (Decimal Inch): 0.281[L2] Length of Cut (mm): 7.14[L3] Reach Length (Decimal Inch): 1.000[L3] Reach Length (mm): 25.40Length Type: Extended Reach, StubNeck Diameter (Decimal Inch): 0.1770Neck Diameter (mm): 4.50Neck Length (Decimal Inch): 1.000Neck Length (mm): 25.40Helix 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