
| Model | JK1903CS |
| Needle type | DPx17 (#14/90) |
| Stitch Type | Single-thread chain stitch |
| Button diameter | 9-30mm; 9-20mm(common) |
| Seam allowance length | 3-5mm; 3.5(common) |
| Buttonhole spacing | 2.5-6.5mm |
| Presser lift height | 16mm |
| Needle bar stroke | 45.7mm |
| Needle gauge | Adjustable |
| Automatic thread trimmer | Equipped |
| Max speed | 3000spm; 2600spm(common) |
| Storage media | NORFLASH |
| Storage capacity | Maximum 99 pins |
| Standard patterns | Currently 18 patterns |
| Max. storable patterns | 100 patterns |
| Weight(NW/GW) | 45/52KGS |
| Packing size | 780x360x550mm |