SMB120
CBN Ball End Mill for precision machining “CBN Micro Ball”
●The world’s first CBN Micro Ball End Mill．
●CBN Micro Ball develops new machining capability in high-precision technology．
●Standarized sizes from R0.01．
●Long machining on pre-hardened to high-hardened steels.
Material
CubicBoron Nitride
Cutting Possibility of Work Material Hardness
Up to 70HRC
Number of Flutes
1 Flutes
Helix Angle
-20°
Conner
±0.002
φd h3
Applications
3D Milling
Work Materials
Machinable indication by 
, 
,
| Carbon Steel | Alloy Steel | Prehardened Steel | Hardened Steel | Stainless Steel | Heat Resistant Alloy | Aluminum Alloy | Copper | Resin | Graphite | Hard Brittle Material | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ～ 52HRC |
～ 60HRC |
～ 65HRC |
～ 70HRC |
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| Carbon Steel | Heat Resistant Alloy |
|||
|---|---|---|---|---|
| Alloy Steel | Aluminum Alloy | |||
| Prehardened Steel |
|
Copper | ||
| Hardened Steel |
～ 52HRC |
|
Resin | |
| ～ 60HRC |
|
Graphite | ||
| ～ 65HRC |
|
Hard Brittle Material |
||
| ～ 70HRC |
|
Hard Brittle Material |
||
| Stainless Steel | ||||
Leaflet
