20.00mm Dia, 5 Flute, Ball Nose End Mill - 42755
SERIES: 55B
V-Carb
20.00mm Dia, 38.00mm LOC, 20.00mm Shank Dia, 5 Flute, 45 Degree Helix, Ti-NAMITE-A (AlTiN) Coated, Series 55B, V-Carb, Ball Nose End Mill - 42755
Feature & Benefits
Unequal indexing, high helix and an ideal rake and relief combination for unmatched finishing capability
The choice when peak finish quality is the requirement
Ball end design ideal for finishing operations in complex workpieces
Recommended for materials ≤ 45 HRc (≤ 420 Bhn)
| Series Description | V-Carb |
|---|---|
| High Performance | Yes |
| End Configuration | Ball Nose |
| Unit (inch/mm) | mm |
| Number of Flutes | 5 |
| Primary Workpiece Material | (P) Steel|(M) Stainless Steel|(K) Cast Iron|(S) High Temp Alloy |
| Secondary Workpiece Material | (H) Hardened Materials |
| Cutting Diameter (DC) (Decimal Inch) | 0.7874 |
| Cutting Diameter (DC) (mm) | 20.00 |
| Shank Diameter (DCON) (Decimal Inch) | 0.7874 |
| Shank Diameter (DCON) (mm) | 20.00 |
| Length of Cut (APMX) (Decimal Inch) | 1.4961 |
| Length of Cut (APMX) (mm) | 38.00 |
| Overall Length (LF) (Decimal Inch) | 4.0945 |
| Overall Length (LF) (mm) | 104.00 |
| Shank Length (LS) (Decimal Inch) | 2.5984 |
| Cutting Diameter (DC) Tolerance (Decimal Inch) | +0.0000/-0.0020 |
| Cutting Diameter (DC) Tolerance (mm) | +0.000/-0.050 |
| Shank Diameter (DCON) Tolerance (ISO) | h6 |
| Corner Radius (RE) Tolerance (Decimal Inch) | +0.0005/-0.0010 |
| Corner Radius (RE) Tolerance (mm) | +0.013/-0.025 |
| Shank Type | Straight |
| Coolant Option | External Coolant |
| Additional Geometry | Right Hand Cut Direction (RHC) |
| Rake Angle | Positive |
| Helix Angle | Right Spiral |
| Helix Angle (Degree) | 45 |
| Variable Helix | No |
| Center Cutting | Yes |
| Chip Breaker | No |
| Shipping Weight | 1.3700 |
| Series | 55B |
| Weldon Flat | No |
| US Stock | 0 |
| Shank Length (LS) (mm) | 66.00 |
| Tool Length | Stub |
| Coating Description | AlTiN (Ti-NAMITE-A) |
| Flute Type | Spiral |