JACK 8740C Arm Type Lockstitch Sewing Machine – Professional-Grade Performance
Precision-engineered for high-speed stitching with a four-needle, six-thread configuration, ensuring flawless seam quality on stretch fabrics like yoga wear and baby clothing. Heavy-duty cast iron construction with an arm-type design provides superior stability, reducing vibration during prolonged industrial use. Advanced thread tension control system allows seamless adjustment for varying fabric thicknesses, from delicate knits to layered elastic materials. Ideal for mass production of activewear, lingerie, and children’s apparel, with reinforced stitching durability to withstand frequent washing. Equipped with automatic lubrication for smooth operation, minimizing downtime in high-volume manufacturing environments. Direct-drive motor delivers consistent power efficiency, lowering energy costs for bulk orders.