#28, 180 Degree Point, Solid Carbide Drill - 58490
SERIES: 136U
Hi-PerCarb 136U Flat Bottom
#28, 180 Degree Point, 0.2362" Shank Dia, 1.9685" OAL, 2 Flute, 2xD, Ti-NAMITE-X (TX) Coated, Series 136U, Hi-PerCarb 136U Flat Bottom, Solid Carbide Drill - 58490
Feature & Benefits
4-margin design improves accuracy and surface finish along with increased strength for aggressive drilling
Specialized self-centering notched point eliminates the need for spot drilling decreasing thrust and deflection
Engineered edge protection improves edge strength and reduces edge fatigue allowing for increased feed rates
Recommended for materials ≤ 56 HRc (≤ 577 Bhn)
| Series Description | Hi-PerCarb 136U Flat Bottom |
|---|---|
| High Performance | Yes |
| Unit (inch/mm) | inch |
| Number of Flutes | 2 |
| Primary Workpiece Material | (P) Steel|(M) Stainless Steel|(K) Cast Iron|(N) Non-Ferrous Materials|(S) High Temp Alloy|(H) Hardened Materials |
| Secondary Workpiece Material | (N) Non-Ferrous Materials|Plastics & Composites |
| Reach (xD) | 2xD |
| Size | #28 |
| Cutting Diameter (DC) (Decimal Inch) | 0.1405 |
| Cutting Diameter (DC) (mm) | 3.57 |
| Cutting Diameter (DC) (Wire) | #28 |
| Shank Diameter (DCON) (Decimal Inch) | 0.2362 |
| Shank Diameter (DCON) (mm) | 6.00 |
| Flute Length (LCF) (Decimal Inch) | 0.4724 |
| Flute Length (LCF) (mm) | 12.00 |
| Overall Length (OAL) (Decimal Inch) | 1.9685 |
| Overall Length (OAL) (mm) | 50.00 |
| Shank Length (LS) (Decimal Inch) | 1.2205 |
| Point Angle (Degree) | 180 |
| Cutting Diameter (DC) Tolerance (Decimal Inch) | +.00016 / +.00063 |
| Cutting Diameter (DC) Tolerance (mm) | +.0040 / +.0160 |
| 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) | 15 |
| Variable Helix | No |
| Center Cutting | No |
| Chip Breaker | No |
| Number of Margins | 4 |
| Self Centering | Yes |
| Shipping Weight | 0.0330 |
| Series | 136U |
| Weldon Flat | No |
| US Stock | 14 |
| Shank Length (LS) (mm) | 31.00 |
| Usable Length (LU) (Decimal Inch) | 0.3204 |
| Usable Length (LU) (mm) | 8.14 |
| Coating Description | TX (Ti-NAMITE-X) |