D=7,8+0,3x330+10 mm rough, Tk=2,5-0,3/d=0,65±0,15 mm TC-Rod with 3 twisted ducts 40° in K-40UF Helix: 28,08 +0,50/-0,49 mm
Technical attributes
| Technical Details | Value |
| Diameter | 7.700 |
| Degree | 40 ° |
| Carbide grade | K-40UF |
| Length | 330 |
| Pitch circle | 2.50 |
| Coolant hole | 0.65 |
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