| Features: |
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1. Special unequal flute spacing design improves vibration resistance, and is suitable for surface, slot and side milling of steel material up to HRc52.
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2. Central coolant design.
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| Working Materials Hardness Level: Good at steels with hardness HRc22-52. E.g. P20, NAK80, SKD61(HRc52), S136(HRc52) etc. |
Applicable Milling Methods:  Finishing  Semi-finishing  Roughing |
| Applicable Coolant Ways: Emulsion Machining Oil Machining |
| Type No. | Diameter | Flute Length | Neck Dia. | O.A.L. | Thread Size | Spanner Type No. |
|---|---|---|---|---|---|---|
| D1 | L1 | D2 | L2 | M | ||
| X-UPZO0804 | 8.0 | 8.0 | 7.8 | 12.1 | M5-3P | K08 |
| X-UPZO1004 | 10.0 | 10.0 | 9.8 | 16.1 | M7-3P | K10 |
| X-UPZO1204 | 12.0 | 12.0 | 11.7 | 20.3 | M8-3P | K12 |
| X-UPZO1604 | 16.0 | 16.0 | 15.6 | 25.7 | M10-3P | K16 |
| X-UPZO2004 | 20.0 | 20.0 | 19.5 | 31.1 | M12-3P | K20 |