End Mills – Material Grades
| Hardness | Grade | Grain Size | Cobalt Content | Density (g/cm³) |
|---|---|---|---|---|
| HRC55 | KL330 | 0.8 μm | 10% | 14.45 |
| HRC58 | KL440 | 0.6 μm | 10% | 14.45 |
| HRC60 | KL550 | 0.4 μm | 12% | 14.15 |
| HRC65 | KL880 | 0.2–0.4 μm | 12% | 14.10 |
Drill Bits – Material Grades
Economical Series
- Grade: KL330
- Grain Size: 0.8 μm
- Cobalt Content: 10%
- Density: 14.45 g/cm³
BZ-F Series – Premium Quality (Product catalog available upon request)
- Grade: KL20
- Grain Size: 0.6 μm
- Cobalt Content: 10%
- Density: 14.4 g/cm³
- Grade: KL15
- Grain Size: 0.6 μm
- Cobalt Content: 9%
- Density: 14.4 g/cm³
