D=12,8+0,4x330+10 mm rough, Tk=4,35-0,8/d=0,90±0,2 mm TC-Rod with 2 twisted ducts 40° in K-40UF Helix: 46,80 +0,84/-0,82 mm
Technical attributes
| Technical Details | Value |
| Diameter | 12.700 |
| Degree | 40 ° |
| Carbide grade | K-40UF |
| Length | 330 |
| Pitch circle | 4.30 |
| Coolant hole | 0.90 |
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