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Letter U, 124 Degree Point, Solid Carbide Drill - 55020
SERIES: 131N
Hi-PerCarb 131N
Letter U, 124 Degree Point, 0.3937" Shank Dia, 4.0550" OAL, 3 Flute, 5xD, Uncoated, Series 131N, Hi-PerCarb 131N, Solid Carbide Drill - 55020
Feature & Benefits
- 3-margin design improves hole stability and size control while providing superior finish, roundness and cylindricity
- Self-stabilizing pyramid point design stabilizes the drill on contact with the workpiece
- Open flute structure efficiently transports chips while maintaining strength at high feed rates
- Sculpted gash allows chips to easily flow away from the drill center
- Recommended for materials ≤ 175 Bhn (≤ 16 HRc)
| SKU / EDP | 55020 |
|---|---|
| Category | Solid Round Tools > Holemaking > High Performance Drills |
| Min Order Qty | 1 |
| Series | 131N |
| Series Description | Hi-PerCarb 131N |
| High Performance | Yes |
| Unit (inch/mm) | inch |
| Number of Flutes | 3 |
| Primary Workpiece Material | (N) Non-Ferrous Materials |
| Secondary Workpiece Material | (K) Cast Iron|(S) High Temp Alloy |
| Reach (xD) | 5xD |
| Size | U |
| Cutting Diameter (DC) (Decimal Inch) | 0.3680 |
| Cutting Diameter (DC) (mm) | 9.35 |
| Shank Diameter (DCON) (Decimal Inch) | 0.3937 |
| Shank Diameter (DCON) (mm) | 10.00 |
| Usable Length (LU) (Decimal Inch) | 1.9290 |
| Usable Length (LU) (mm) | 49.00 |
| Flute Length (LCF) (Decimal Inch) | 2.4020 |
| Flute Length (LCF) (mm) | 61.01 |
| Overall Length (OAL) (Decimal Inch) | 4.0550 |
| Overall Length (OAL) (mm) | 103.00 |
|---|---|
| Shank Length (LS) (Decimal Inch) | 1.5750 |
| Shank Length (LS) (mm) | 40.01 |
| Point Angle (Degree) | 124 |
| 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 | External Coolant |
| Coating Description | Bright/Uncoated |
| Additional Geometry | Right Hand Cut Direction (RHC) |
| Helix Angle | Right Spiral |
| Helix Angle (Degree) | 30 |
| Variable Helix | No |
| Center Cutting | No |
| Chip Breaker | No |
| DIN Standard | DIN 6537 |
| Number of Margins | 3 |
| Self Centering | Yes |
Alternative Products SKU / EDP to 55020
Letter U, 124 Degree Point, Solid Carbide Drill - 54820
SGS Letter U, 124 Degree Point, 0.3937" Shank Dia, 4.0550" OAL, 3 Flute, 5xD, Ti-NAMITE-B (TIB2) Coated, Series 131N, Hi-PerCarb 131N, Solid Carbide Drill - 54820
Letter U, 124 Degree Point, Solid Carbide Drill - 54820
SGS Letter U, 124 Degree Point, 0.3937" Shank Dia, 4.0550" OAL, 3 Flute, 5xD, Ti-NAMITE-B (TIB2) Coated, Series 131N, Hi-PerCarb 131N, Solid Carbide Drill - 54820
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