| Features: |
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1. Special geometry design , is suitable for roughing, semi-finishing of 3D milling of high-hardness materials.
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2. Short flutes design improve rigidity, and longer tool life.
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| Working Materials Hardness Level: Good at steels with hardness up to HRc48~65. E.g. SKD61(HRc52), STAVAX(HRC52), SKD11(HRC62) etc. |
Applicable Milling Methods:  Roughing  Semi-finishing  Finishing |
| Applicable Coolant Ways: MQL (Mist) Machining Dry Machining , Emulsion Machining ,Oil Machining |
| Type No. | Diameter | Neck Dia. | Flute Length | Effective Length | O.A.L. | Shank Dia. |
|---|---|---|---|---|---|---|
| D1 | D3 | L1 | L2 | L3 | D2 | |
| UOB0102 | R0.5 | 0.95 | 1 | 3 | 50 | 4 |
| UOB0152 | R0.75 | 1.44 | 2 | 5 | 50 | 4 |
| UOB0202 | R1 | 1.92 | 3 | 6 | 50 | 6 |
| UOB0302S | R1.5 | 2.90 | 4 | 8 | 50 | 4 |
| UOB0302 | R1.5 | 2.90 | 4 | 8 | 50 | 6 |
| UOB0302L | R1.5 | 2.90 | 4 | 8 | 75 | 6 |
| UOB0402S | R2 | 3.90 | 5 | 10 | 50 | 4 |
| UOB0402 | R2 | 3.90 | 5 | 10 | 50 | 6 |
| UOB0402L | R2 | 3.90 | 5 | 10 | 75 | 6 |
| UOB0602 | R3 | 5.80 | 6 | 12 | 50 | 6 |
| UOB0602M | R3 | 5.80 | 6 | 12 | 75 | 6 |
| UOB0602L | R3 | 5.80 | 6 | 16 | 100 | 6 |
| UOB0802 | R4 | 7.70 | 8 | 16 | 60 | 8 |
| UOB0802L | R4 | 7.70 | 8 | 25 | 100 | 8 |
| UOB1002 | R5 | 9.60 | 10 | 20 | 75 | 10 |
| UOB1002L | R5 | 9.60 | 10 | 30 | 100 | 10 |