| Model | GT-PR- 8S | GT-PR-8RS | GT-PR-8MU | GT-PR-4 |
| Function | chamfering | C hamfering+threading | overdue long type | Pin punching |
| Wire size | 3 .0- 8.0 mm | 3 .0-8.0mm | 3 .0-8.0mm | 1.5 - 4 .0mm |
| Feeding length | 0- 5 00mm | 0- 5 00mm | 0- 9 00mm | 0- 5 00mm |
| Production capacity | 16pcs per minute | 12pcs per minute | 12-16pcs per minute | 40pcs |
| Motor power | 5.5kw | 5.5kw | 5.5kw | 5.5kw |
| Dimensions (LxWxH) | 230 x127x192cm | 230 x127x192cm | 245x127x195cm | 180x120x178cm |
| Weight | 1 3 00kg | 1350kg | 1400kg | 1100kg |