| Features: |
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1. Special geometry design , is suitable for roughing, semi-finishing and 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:  Finishing  Semi-finishing  Roughing |
| 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 | |
| UQB0102 | R0.5 | 0.95 | 1 | 2.5 | 50 | 4 |
| UQB0152 | R0.75 | 1.45 | 1 | 3 | 50 | 4 |
| UQB0202 | R1 | 1.92 | 1.5 | 5 | 50 | 4 |
| UQB0302S | R1.5 | 2.90 | 2 | 8 | 50 | 4 |
| UQB0302 | R1.5 | 2.90 | 2 | 8 | 50 | 6 |
| UQB0402S | R2 | 3.90 | 4 | 10 | 50 | 4 |
| UQB0402 | R2 | 3.90 | 4 | 10 | 50 | 6 |
| UQB0502 | R2.5 | 4.80 | 5 | 13 | 50 | 6 |
| UQB0602 | R3 | 5.80 | 6 | 15 | 50 | 6 |
| UQB0802 | R4 | 7.70 | 8 | 20 | 60 | 8 |
| UQB1002 | R5 | 9.60 | 10 | 25 | 75 | 10 |
| UQB1202 | R6 | 11.5 | 12 | 30 | 75 | 12 |