Exchangeable-Head Milling Cutters
ET Carbide Head Blanks
General Specifications
Tungsten carbide exchangeable-head blanks with the threaded connection formed, for producing custom heads.
- Carbide Grades: TF10E (ISO K30) and TF09U (ISO K20), made to a European material formula
- Sizes: Ø10–20 mm, 12 sizes (metric)
| Model | DC (mm, +0.3/+0.5) | OAL (mm, +0.5/+1) | LF (mm, +0.3/+0.5) |
|---|---|---|---|
| ET10L23.7 | 10 | 23.7 | 12.5 |
| ET10L29.7 | 10 | 29.7 | 18.5 |
| ET10L32.7 | 10 | 32.7 | 21.5 |
| ET12L29 | 12 | 29 | 15.2 |
| ET12L36.2 | 12 | 36.2 | 22.4 |
| ET12L39.8 | 12 | 39.8 | 26 |
| ET16L36.8 | 16 | 36.8 | 19.8 |
| ET16L46.4 | 16 | 46.4 | 29.4 |
| ET16L51.2 | 16 | 51.2 | 34.2 |
| ET20L42.7 | 20 | 42.7 | 23.2 |
| ET20L54.7 | 20 | 54.7 | 35.2 |
| ET20L60.7 | 20 | 60.7 | 41.2 |
| Grade | WC Grain Size (µm) | Cobalt (%) | Density (g/cm³) | Fracture Toughness K1C (MPa·m½) | Transverse Rupture Strength (MPa) | Hardness HV30 (kg/mm²) | Porosity A B C | ISO Class |
|---|---|---|---|---|---|---|---|---|
| TF10E | 0.8 | 10 | 14.45 | 10.5 | 3700 | 1630 | <02 00 00 | K30 |
| TF09U | 0.6 | 9 | 14.45 | 12.2 | 3900 | 1800 | <02 00 00 | K20 |
- Typical material properties. Values may change with technical development.
- K1C values depend strongly on specimen geometry and preparation and are not directly comparable with values from other test methods.
