The JACK Jack Sewing Machine C4 is a professional-grade 4-thread industrial overlock sewing machine (serger) engineered to cut, stitch, and finish fabric edges in a single operation. Designed specifically for knit and stretch materials and equipped with an automatic thread trimmer, an automatic presser foot lift, and a photoelectric sensor to detect fabric, it delivers clean, durable seams at high speed, making it ideal for garment manufacturing and textile assembly environments. With its direct-drive servo motor and automated functions, this machine ensures efficiency, reduced vibration, and consistent performance during continuous production. This unit is sold as a complete package (machine + standard accessories), making it ready for immediate installation on the shop floor. What’s Included JACK C4-4-M03/333 Overlock Machine with Automatic Thread Trimmer Direct drive servo motor (built-in) Industrial table Presser foot & accessories kit Pedal and control system Instruction manual Key Highlights 4-thread overlock system for strong, flexible seams High-speed performance up to 5,000–7,000 stitches per minute (SPM) Built-in trimming system for clean edge finishing Optimized for knit, elastic, and stretch fabrics Quiet operation with direct drive servo motor Integrated LED lighting for improved visibility Automatic presser foot lifting Photoelectric sensor to detect fabric Recommended Applications Activewear and sportswear production T-shirts, leggings, and knit garments Underwear and stretch apparel Textile manufacturing factories Alteration shops working with elastic fabrics
