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6.80mm Dia, 137 Degree Point, Solid Carbide Drill - 66644

SERIES: 142P

Hi-PerCarb 142P

6.80mm Dia, 137 Degree Point, 8.00mm Shank Dia, 114.00mm OAL, 2 Flute, 8xD, Coolant-Through, Ti-NAMITE-X (TX) Coated, Series 142P, Hi-PerCarb 142P, Solid Carbide Drill - 66644

Feature & Benefits

  • High-performance point design stabilizes on entry for exceptional hole size and cylindricity while also allowing for low thrust force and extended tool life
  • Internal coolant hole improves coolant flow to extend tool life and aid in chip evacuation
  • 4-margin design improves hole straightness and roundness while providing improved stability for difficult applications like cross holes and when exiting on angle
  • Proprietary Ti-NAMITE®-X coating and industry leading carbide substrate provides exceptional wear resistance and toughness for demanding applications
  • Recommended for materials ≤ 50HRc (475 Bhn)

SKU / EDP66644
CategorySolid Round Tools > Holemaking > High Performance Drills
Min Order Qty1
Series142P
Series DescriptionHi-PerCarb 142P
High PerformanceYes
Unit (inch/mm)mm
Number of Flutes2
Primary Workpiece Material(P) Steel|(N) Non-Ferrous Materials|(H) Hardened Materials
Secondary Workpiece Material(M) Stainless Steel|(K) Cast Iron|(S) High Temp Alloy
Reach (xD)8xD
Size6.80mm
Cutting Diameter (DC) (Decimal Inch)0.2677
Cutting Diameter (DC) (mm)6.80
Shank Diameter (DCON) (Decimal Inch)0.3150
Shank Diameter (DCON) (mm)8.00
Usable Length (LU) (Decimal Inch)2.5984
Usable Length (LU) (mm)66.00
Flute Length (LCF) (Decimal Inch)2.9921
Flute Length (LCF) (mm)76.00
Overall Length (OAL) (Decimal Inch)4.4882
Overall Length (OAL) (mm)114.00
Shank Length (LS) (Decimal Inch)1.4173
Shank Length (LS) (mm)36.00
Point Angle (Degree)137
Point Length (PL) (Decimal Inch)0.0554
Point Length (PL) (mm)1.41
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 DescriptionTX (Ti-NAMITE-X)
Additional GeometryRight Hand Cut Direction (RHC)
Helix AngleRight Spiral
Helix Angle (Degree)30
Variable HelixNo
Center CuttingNo
Chip BreakerNo
Number of Margins4
Self CenteringYes

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