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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 / EDP | 66644 |
---|---|
Category | Solid Round Tools > Holemaking > High Performance Drills |
Min Order Qty | 1 |
Series | 142P |
Series Description | Hi-PerCarb 142P |
High Performance | Yes |
Unit (inch/mm) | mm |
Number of Flutes | 2 |
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 |
Size | 6.80mm |
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 Type | Straight |
Weldon Flat | No |
Coolant Option | Internal Coolant |
Coating Description | TX (Ti-NAMITE-X) |
Additional Geometry | Right Hand Cut Direction (RHC) |
Helix Angle | Right Spiral |
Helix Angle (Degree) | 30 |
Variable Helix | No |
Center Cutting | No |
Chip Breaker | No |
Number of Margins | 4 |
Self Centering | Yes |
Alternative Products SKU / EDP to 66644
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