Official Authorized Agent
Coverstitch Machine
JACK W4
Achieve superior seam quality and enhanced productivity with this high-speed computerized flat-bed interlock machine. Engineered for precision, it delivers consistent, beautiful stitches across a wide range of fabrics, from delicate to heavy-duty. This advanced coverstitch solution is ideal for garment factories seeking to optimize efficiency and produce high-quality knitwear, sportswear, and undergarments.
5500 rpm
Max Sewing Speed
1.0-4.5 mm
Stitch Length
0.6-1.3
Differential Ratio
Key Features & Benefits
- 01Boost productivity — 40% efficiency increase over conventional models.
- 02Streamline operations — Integrated automatic thread trimmer reduces manual steps.
- 03Versatile stitching — Consistent, beautiful stitches on both light and heavy fabrics.
- 04Simplify training — Voice guide system ensures easy operation and learning.
- 05Maximize utility — Multi-functional design allows quick switching for various processes.
- 06Rapid deployment — Integrated design for immediate plug-and-play operation.
Technical Specifications
Max Sewing Speed
5500 rpm
Stitch Length
1.0-4.5 mm
Differential Ratio
0.6-1.3
Presser Foot Height
7 mm
Needle Type
UY128GAS
Machine Dimensions (LWH)
570 x 445 x 505 mm
Machine Weight
50 kg
JACK Industrial
Official Datasheet
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