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18.50mm Dia, 180 Degree Point, Solid Carbide Drill - 67811

SERIES: 146U

Hi-PerCarb 146U Flat Bottom

18.50mm Dia, 180 Degree Point, 20.00mm Shank Dia, 140.00mm OAL, 2 Flute, 3xD, Coolant-Through, Ti-NAMITE-X (TX) Coated, Series 146U, Hi-PerCarb 146U Flat Bottom, Solid Carbide Drill - 67811

Feature & Benefits

  • 4-margin design improves accuracy and surface finish along with increased strength for aggressive drilling
  • Specialized self-centering notched point eliminates the need for spot drilling decreasing thrust and deflection
  • Engineered edge protection improves edge strength and reduces edge fatigue allowing for increased feed rates
  • Recommended for materials ≤ 56 HRc (≤ 577 Bhn)

SKU / EDP67811
CategorySolid Round Tools > Holemaking > High Performance Drills
Min Order Qty1
Series146U
Series DescriptionHi-PerCarb 146U Flat Bottom
High PerformanceYes
Unit (inch/mm)mm
Number of Flutes2
Primary Workpiece Material(P) Steel|(M) Stainless Steel|(K) Cast Iron|(N) Non-Ferrous Materials|(S) High Temp Alloy|(H) Hardened Materials
Secondary Workpiece Material(N) Non-Ferrous Materials|Plastics & Composites
Reach (xD)3xD
Size18.50mm
Cutting Diameter (DC) (Decimal Inch)0.7283
Cutting Diameter (DC) (mm)18.50
Shank Diameter (DCON) (Decimal Inch)0.7874
Shank Diameter (DCON) (mm)20.00
Usable Length (LU) (Decimal Inch)2.2243
Usable Length (LU) (mm)56.50
Flute Length (LCF) (Decimal Inch)3.2677
Flute Length (LCF) (mm)83.00
Overall Length (OAL) (Decimal Inch)5.5118
Overall Length (OAL) (mm)140.00
Shank Length (LS) (Decimal Inch)1.7717
Shank Length (LS) (mm)45.00
Point Angle (Degree)180
Cutting Diameter (DC) Tolerance (Decimal Inch)+.00031 / +.00114
Cutting Diameter (DC) Tolerance (mm)+.0080 / +.0290
Shank Diameter (DCON) Tolerance (ISO)h6
Shank TypeStraight
Weldon FlatNo
Coolant OptionInternal Coolant
Coating DescriptionTX (Ti-NAMITE-X)
Additional GeometryRight Hand Cut Direction (RHC)
Helix AngleRight Spiral
Helix Angle (Degree)15
Variable HelixNo
Center CuttingNo
Chip BreakerNo
Number of Margins4
Self CenteringYes

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