Short Thread Trimming
Trimming the thread to a length of only 3 mm, automatically locking the stitch to prevent unraveling. Manual trimming is not required — saving time, effort and materials.JACK JK-58450J-A-105 is an advanced computerized needle-feed, double-needle lockstitch sewing machine for heavy-duty fabrics. A key feature of the model is the needle disconnection function. The machine is equipped with enlarged rotary hooks and automatic functions: thread trimming (short thread up to 3 mm), needle positioner, electronic tacking, and digital presser foot lifter. The built-in single-axis direct-drive motor ensures quiet operation and energy savings. The unit includes a spacious workspace, voice guidance system, bobbin winder, and oil level indicator, guaranteeing maximum convenience and high efficiency in production.
Technical Specifications
| Model | Jack JK-58450J-A-105 |
| Application | Heavy-Weight |
| Function | Corner Stitch |
| Needle | DPx5 11-16# / 14-22# |
| Stitch Length (mm) | 7 |
| Needle Guage (mm) | 6.4 |
| Presser Foot Lifting Height | 7-13 |
| Max Sewing Speed (S.P.M) | 3000 |
| Large Hook | Yes |
| Volume (mm) | 725x320x675 |
| Weight (KG) | 43/53.5 |











