D=12,3x330 rough, Tk=2,50-0,4/d=0,60±0,1 mm TC Rod with 2 twisted ducts 40°, K-40UF Helix: 44,93+0,80/-0,79 mm
Technical attributes
| Technical Details | Value |
| Diameter | 12.300 |
| Degree | 40 ° |
| Carbide grade | K-40UF |
| Length | 330 |
| Pitch circle | 2.50 |
| Coolant hole | 0.60 |
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