Home/Solid Round Tools/Holemaking/High Performance Drills/Letter U, 124 Degree Point, Solid Carbide Drill - 54820
Letter U, 124 Degree Point, Solid Carbide Drill - 54820
SERIES: 131N
Hi-PerCarb 131N
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
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)
| 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 |
| 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 |
| 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 |
| Coolant Option | External Coolant |
| Additional Geometry | Right Hand Cut Direction (RHC) |
| Helix Angle | Right Spiral |
| Helix Angle (Degree) | 30 |
| Center Cutting | No |
| DIN Standard | DIN 6537 |
| Number of Margins | 3 |
| Shipping Weight | 0.1560 |
| Series | 131N |
| US Stock | 1 |
| Self Centering | Yes |
| Shank Length (LS) (mm) | 40.01 |
| Usable Length (LU) (Decimal Inch) | 1.9290 |
| Usable Length (LU) (mm) | 49.00 |
| Coating Description | TIB2 (Ti-NAMITE-B) |
| Cutting Diameter (DC) (Letter) | U |
| Double Margins (Yes/No) | No |
| Flute Type | Spiral |
Alternate Products
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
U.S. stocked items ship next day
Total Available U.S. :30