L/M/H Selector (Patented Technology)
A convenient lever allows you to adjust the feed dog tilt for light, medium or heavy fabrics, ensuring optimal performance when working with various material types and according to processing requirements.
Fast Response
The machine reduces start and stop response time by 40-50%, making sewing smoother and faster, significantly increasing productivity.Jack E4S-5-03/333 is a 5-thread overlock. The Jack E4S series includes advanced 3-, 4-, and 5-thread overlocks designed for efficiency, precision, and ease of use. Equipped with a built-in energy-saving motor mounted directly on the main shaft (direct-drive system), it ensures quiet, reliable operation and significantly reduced energy consumption. The modern design improves motor ventilation, leading to faster and more efficient operation and an extended machine lifespan. A convenient control panel makes it easy to adjust sewing speed and needle position, as well as factory reset with a single button press. Built-in LED lighting ensures good visibility in the working area. The new S model features convenient feed dog height adjustment, allowing for perfect stitching on fabrics of varying thicknesses.
Technical Specifications
| Model | Jack E4S-5-03/333 |
| Application | 3×4 Stitch |
| Needle | B27 |
| Needle Size | #14 |
| Number of Needles | 2 |
| Number of Threads | 5 |
| Needle Distance | 3 |
| Stitch Width (mm) | 4 |
| Stitch Length | 4 |
| Differential Ratio | 0.7-2 |
| Presser Foot Lifting Height (mm) | 5 |
| Max Speed (s.p.m) | 5500 |
| Volume (mm) | 525x360x510 |
| Weight (kg) | 28/36 |





