| Model | MR-U3 |
| Max. collet capacity | Φ18 mm |
| Max. grinding dia. | Φ18 mm |
| Longitudinal traver of index head carrier | 140mm |
| Longitudinal adjustment trave of index head carrier | 180mm |
| Spindle and wheel longltudinal adjustment travel | 600mm |
| Taper angle range | 0~ 180 (degree) |
| Relief angle range | 0~ 45 (degree) |
| Negative angle range | 0~ 25 (degree) |
| Motor | 1/3HP 220V/380V 50HZ |
| Grinding spindle | 5300rpm |
| Grinding wheel | Φ100×50×Φ20 |
| Dimension | 55×46×49cm |
| Weight | 55KG |
| Standard Equipment | 5 collets: Φ4, Φ 6, Φ 8, Φ 10, Φ 12 |
| Pin grinding Wheel ×1 | |
| Belt×1 | |
| Diamond pen×1 | |
| Twist drill grinding attachment×1 | |
| End mill grinding attachment×1 | |
| Lathe tools grinding attachment×1 | |
| Option Equipment | Eleven piece collets: Φ 3, Φ 4, Φ 5, Φ 6, Φ 8, Φ 9, Φ 10, Φ 12, Φ 14, Φ 16, Φ 18 |