D=20,3x330 mm rough, Tk=4,10-0,4/d=1,00±0,15 mm TC Rod with 2 coolant ducts 40° spiral, K-40UF Helix: 74,88 +1,34/-1,31 mm
Technical attributes
| Technical Details | Value |
| Diameter | 20.300 |
| Degree | 40 ° |
| Carbide grade | K-40UF |
| Length | 330 |
| Pitch circle | 4.10 |
| Coolant hole | 1.00 |
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