Carbide End Mills
EPFN Series General-Purpose End Mill
General Specifications
Solid carbide end mill — Type EP square end mill for general machining.
- For ISO P, M and K materials below HRC 55, for both roughing and finishing — a complete range of sizes for general use.
- End Type: Square (flat)
- Flutes: 4
- Helix Angle: 45°
- Coating: Al-series
- Carbide Grade: UP4230
- Shank: type A shank, h6 tolerance
- Size Range: 1/16″–5/8″ cutting diameter, 11 sizes
| Model | Cutting Dia. DC (in) | Cutting Dia. DC (mm) | Shank Dia. DCON (in) | Overall Length LF (in) | Length of Cut APMX (in) | Flutes ZEFP |
|---|---|---|---|---|---|---|
| EPFN-0062-4T | 1/16 | 1.588 | 1/8 | 1-1/2 | 3/16 | 4 |
| EPFN-0078-4T | 5/64 | 1.984 | 1/8 | 1-1/2 | 1/4 | 4 |
| EPFN-0093-4T | 3/32 | 2.381 | 1/8 | 1-1/2 | 5/16 | 4 |
| EPFN-0109-4T | 7/64 | 2.778 | 1/8 | 1-1/2 | 3/8 | 4 |
| EPFN-0125-4T | 1/8 | 3.175 | 1/8 | 1-1/2 | 1/2 | 4 |
| EPFN-0187-4T | 3/16 | 4.763 | 3/16 | 2 | 5/8 | 4 |
| EPFN-0250-4T | 1/4 | 6.350 | 1/4 | 2-1/2 | 3/4 | 4 |
| EPFN-0312-4T | 5/16 | 7.938 | 5/16 | 2-1/2 | 13/16 | 4 |
| EPFN-0375-4T | 3/8 | 9.525 | 3/8 | 2-1/2 | 7/8 | 4 |
| EPFN-0500-4T | 1/2 | 12.700 | 1/2 | 3 | 1 | 4 |
| EPFN-0625-4T | 5/8 | 15.875 | 5/8 | 3-1/2 | 1-1/4 | 4 |
| Workpiece Material | Grade / Hardness | Suitability |
|---|---|---|
| Carbon Structural Steel | C ≤ 0.25% | Excellent |
| Carbon Structural Steel | C 0.25–0.45% | Excellent |
| Carbon Structural Steel | C ≥ 0.45% | Excellent |
| Alloy Steel | ≤ HRC 25 | Excellent |
| Alloy Steel | HRC 25–35 | Excellent |
| Alloy Steel | HRC 35–45 | Excellent |
| Hardened Steel | HRC 45–50 | Good |
| Hardened Steel | HRC 50–62 | Suitable |
| Hardened Steel | HRC 62–70 | — |
| Aluminum Alloy | Si ≤ 9% | — |
| Cast Iron | Si ≤ 2.5% | — |
| Stainless Steel | Cr < 17% | — |
| Copper Alloy | — | — |
| Titanium Alloy | TC4 | — |
| Nickel Alloy | Cr < 13% | — |
| Graphite | — | — |