D=12,3+0,4x330+10 mm rough, Tk=4,2-0,8/d=0,90±0,2 mm TC-Rod with 2 twisted ducts 40° in K-40UF Helix: 44,93 +0,80/-0,79 mm
Technical attributes
| Technical Details | Value |
| Diameter | 12.200 |
| Degree | 40 ° |
| Carbide grade | K-40UF |
| Length | 330 |
| Pitch circle | 4.20 |
| Coolant hole | 0.90 |
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