[DC] Cutting Diameter (Size): 3/64"[DC] Cutting Diameter (Decimal Inch): 0.0469[DC] Cutting Diameter (mm): 1.19[DCON] Shank Diameter (Decimal Inch): 0.1250[DCON] Shank Diameter (mm): 3.18[LF] Overall Length (Decimal Inch): 1.500[LF] Overall Length (mm): 38.10[APMX] Length of Cut (Decimal Inch): 0.141[APMX] Length of Cut (mm): 3.58[LU] Reach Length (Decimal Inch): 0.423[LU] Reach Length (mm): 10.74Length Type: Extended Reach[DN] Neck Diameter (Decimal Inch): 0.0442[DN] Neck Diameter (mm): 1.12Neck Length (Decimal Inch): 0.390Neck Length (mm): 9.91Helix Angle (Degree): 30Number of Flutes: 2Flute Style: Right Hand Spiral / Medium HelixType: Micro with Neck Relief, Center CuttingHand of Cut: Right-HandShank Type: Straight / CylindricalMaterial: Sub Micron Grain CarbideFinish / Coating: AlTiNSeries: 1645Priority Workpiece Material: Steel ~30HRC, Steel 30~40HRC, Hardened Steel ~55HRCApplicable Workpiece Material: Hardened Steel ~68HRC, Stainless Steel, Cast Iron, Nickel / Cobalt, Titanium AlloyApplication: Roughing / FinishingUnit of Measure: inch