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8.40mm Dia, 136 Degree Point, Solid Carbide Drill - 69174

SERIES: 143

Hi-PerCarb 143M-S

8.40mm Dia, 136 Degree Point, 10.00mm Shank Dia, 89.00mm OAL, 2 Flute, 3xD, Coolant-Through, Ti-NAMITE-A (AlTiN) Coated, Series 143, Hi-PerCarb 143M-S, Solid Carbide Drill - 69174

Feature & Benefits

  • Coolant through design improves coolant flow to extend tool life and aid in chip evacuation
  • Eccentric 2-margin design reduces frictional heat and minimizes material adhesion to the margins without weakening the drill
  • Computer controlled edge honing protects against chip damage
  • High-performance point design stabilizes on contact for exceptional hole size and cylindricity allowing for low thrust force and extended tool life
  • SGS Ti-NAMITE®-A coating provides exceptional wear and erosion resistance when drilling heat resisting alloys like Inconel, Stainless Steel, and Titanium Alloys
  • Recommended for materials ≤ 50HRc (475 Bhn)

SKU / EDP69174
CategorySolid Round Tools > Holemaking > High Performance Drills
Min Order Qty1
Series143
Series DescriptionHi-PerCarb 143M-S
High PerformanceYes
Unit (inch/mm)mm
Number of Flutes2
Primary Workpiece Material(M) Stainless Steel|(N) Non-Ferrous Materials|(S) High Temp Alloy
Secondary Workpiece Material(P) Steel|(K) Cast Iron
Reach (xD)3xD
Size8.40mm
Cutting Diameter (DC) (Decimal Inch)0.3307
Cutting Diameter (DC) (mm)8.40
Shank Diameter (DCON) (Decimal Inch)0.3937
Shank Diameter (DCON) (mm)10.00
Usable Length (LU) (Decimal Inch)1.3780
Usable Length (LU) (mm)35.00
Flute Length (LCF) (Decimal Inch)1.8504
Flute Length (LCF) (mm)47.00
Overall Length (OAL) (Decimal Inch)3.5039
Overall Length (OAL) (mm)89.00
Shank Length (LS) (Decimal Inch)1.5748
Shank Length (LS) (mm)40.00
Point Angle (Degree)136
Cutting Diameter (DC) Tolerance (Decimal Inch)+.00024 / +.00083
Cutting Diameter (DC) Tolerance (mm)+.0061 / +.0211
Shank Diameter (DCON) Tolerance (ISO)h6
Shank TypeStraight
Weldon FlatNo
Coolant OptionInternal Coolant
Coating DescriptionAlTiN (Ti-NAMITE-A)
Additional GeometryRight Hand Cut Direction (RHC)
Helix AngleRight Spiral
Helix Angle (Degree)30
Variable HelixNo
Center CuttingNo
Chip BreakerNo
DIN StandardDIN 6537
Number of Margins2
Self CenteringYes

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