Small Cylinder Arm
Engineered for operations requiring a compact cylinder arm, making it ideal for precise and effortless sewing on small or narrow tubular garments.
Energy-Saving Servomotor
Thanks to the built-in servomotor, the machine reduces energy consumption by up to 71%, ensuring efficient and eco-friendly operation.
Built-In Cooling Fan
The fan built into the handwheel effectively prevents overheating, which helps extend the life of the machine and maintain optimal performance.
Auxiliary Manual Tensioner
This device allows for precise tension adjustment of tapes or elastic bands, making it ideal for attaching collars, continuous elastic loops on boxer briefs, sportswear lapels, and similar applications.
Jack JK-797DI-4-514-M03/333 is a versatile 4-thread industrial overlock featuring a compact small cylinder bed with a diameter of just 148 mm. The overlock is designed for precise decorative and seaming stitches in hard-to-reach and enclosed areas, such as children’s clothing, cuffs, collars, or sportswear. The built-in servomotor guarantees stable, quiet, and economical operation with a significant reduction in energy costs.
Technical Specifications
| Model | Jack JK-797DI-4-514-M03/333 |
| Needle Type / Size | #11 (DCx27) |
| Number of Needles | 2 |
| Number of Threads | 4 |
| Needle Gauge (mm) | 2 |
| Overedge Width (mm) | 4 |
| Stitch Length (mm) | 3.8 |
| Differential Ratio | 0.8-1.8 |
| Presser Foot Lifting Height (mm) | 5.5 |
| Max Speed (r.p.m) | 7000 |
| Dimensions (mm) | 525 x 360 x 630 |
| Weight (kg) | 28 / 36 |
