| Model | GD-300A |
| grinding diameter | 2-80 mm |
| center grinding length | 300mm |
| center height | 115mm |
| max workpiece weight | 10kg |
| worktable speed | 0.1-4m/min |
| wheel peripheral velocity | 35m/sec |
| max travel of table | 340mm |
| swivel range of table | -3-+7degree |
| external wheel size | 180-250mm*25*75mm |
| internal wheel spindle speed | 1600r/min |
| tail center | no3 morse |
| motor power | 2.34kw |
| machine size | 1360*1240*1000 |
| roundess | 1.5/2.5(0/d,i/d) |
| surface roughness | RA0.25/0.63(o/d,i/d) |
| uniformanity of dia in longitudinal section | 5/8UM(O/D,I/D) |
| weight | 1500kg |