D=12,3+0,4x330+10 mm rough, Tk=6,25-0,8/d=1,40±0,15 mm TC-Rod with 2 twisted ducts 30° K-40UF Helix: 65,30+1,34/-1,30 mm
Technical attributes
| Technical Details | Value |
| Diameter | 12.200 |
| Degree | 30 ° |
| Carbide grade | K-40UF |
| Length | 330 |
| Pitch circle | 6.20 |
| Coolant hole | 1.40 |
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