| Features: |
|
1. Special "taper neck" ball nose design improve rigidity , and is suitable for semi-finishing, finishing of 3D milling of steel material up to HRc55.
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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 | Flute Length | Effective Length | O.A.L. | Shank Dia. | Taper Angle |
|---|---|---|---|---|---|---|
| D1 | L1 | L2 | L3 | D2 | α | |
| UPB0205 | R1 | 3 | 60 | 100 | 6 | 0.5° |
| UPB0210 | R1 | 3 | 60 | 100 | 6 | 1° |
| UPB0215 | R1 | 3 | 60 | 100 | 6 | 1.5° |
| UPB0220 | R1 | 3 | 57 | 100 | 6 | 2° |
| UPB0305 | R1.5 | 4 | 60 | 100 | 6 | 0.5° |
| UPB0310 | R1.5 | 4 | 60 | 100 | 6 | 1° |
| UPB0315 | R1.5 | 4 | 57 | 100 | 6 | 1.5° |
| UPB0320 | R1.5 | 4 | 43 | 100 | 6 | 2° |
| UPB0405 | R2 | 5 | 60 | 100 | 6 | 0.5° |
| UPB0410 | R2 | 5 | 57 | 100 | 6 | 1° |
| UPB0415 | R2 | 5 | 38 | 100 | 6 | 1.5° |
| UPB0420 | R2 | 5 | 29 | 100 | 6 | 2° |