JACK® K7-UT is an AI-smart cylinder-bed coverstitch machine engineered for high-efficiency production of knit and stretch garments. Its intelligent stitch optimization system continuously adjusts for consistent seam quality, while the automatic thread trimmer eliminates manual handling between cycles — reducing cycle time and operator fatigue on high-volume runs. The cylinder-bed arm provides unrestricted access to tubular pieces, making it the professional standard for hemming sleeves, cuffs, and finished garment edges with a clean, stretch-ready coverstitch.
What’s Included
- JACK® K7-UT AI Smart Cylinder-Bed Coverstitch Machine
- Industrial sewing table
- Machine stand
- Needle set
- Looper threader
- Screwdriver and basic tool kit
- Operator’s manual
Key Features
- AI-smart technology continuously optimizes stitch parameters for consistent seam quality across varying fabric weights and tensions
- Automatic thread trimmer (UT) cuts threads at the end of each seam cycle, reducing handling time and increasing throughput on production lines
- Cylinder-bed arm configuration provides full clearance for tubular garment pieces, enabling precise hemming of sleeves, cuffs, and circular seams without repositioning
- Direct-drive servo motor delivers quiet, energy-efficient operation with precise speed control and minimal vibration for all-day production comfort
- Professional coverstitch seams with decorative topstitching on the face and looper coverage on the underside for secure, stretch-ready finishes on knit fabrics
- User-friendly control panel with intuitive parameter adjustment for quick changeovers between fabric types and stitch settings
- Complete setup with industrial table and stand included — ready to install and start sewing
Ideal For
- High-volume T-shirt, activewear, and knit garment hemming
- Sleeve, cuff, and tubular garment finishing
- Production facilities seeking automation and reduced operator handling
- Manufacturers requiring consistent, repeatable coverstitch seam quality
- Knit and stretch fabric garment production operations

