
| Tool | Abrasive-impregnated nylon brush |
|---|---|
| Problem | Burrs were not removed completely. This caused the problem of quality inspection. |

| Tool | XEBEC Brush Cross hole Extra-Long (CH-A12-5F) |
|---|---|
| Result | Deburring and polishing quality stabilized. |

| Industry | Automotive |
|---|---|
| Part name | Cylinder head (Oil gallery) |
| Material type | ADC12 |
| Machining process | Drilling |
| Tool | XEBEC Brush Cross hole Extra-Long (CH-A12-5F) |
|---|---|
| Details of processing | Cross hole deburring and internal polishing after drillng process |
| Spindle speed (min⁻¹) | 7200 |
| Table feed (mm/min) | 2000 |
| Depth of cut (mm) | – |
| Machining time (sec) | – |
Ideal for deburring, polishing and cutter mark removal on the inner diameter and counterbored part