Jack Lockstitch Machines

Jack A5E-B AMH2 - Single Needle, Medium-Weight Lockstitch Machine with Smart Fabric Adaptive System. The Jack A5E-B is a single-needle lockstitch machine with automatic functions, bottom feed, and an energy-efficient direct-drive motor. Its elongated design provides 30.5 cm from needle to body. A stepper motor controls stitch length and bartacking, while the Octopus Dual-Core AI chip adjusts machine settings in real time to fabric thickness. Increased torque ensures smooth penetration through multi-layered materials. Features include a thread trimmer cutting to 3.5 mm, three function buttons near the needle bar (1/2 stitch, add stitch, bartack), and a USB port for external device connectivity.

Jack A5E-BH-7 AMH2 - Single Needle, Heavy-Weight Lockstitch Machine with Smart Fabric Adaptive System. The Jack A5E-B is a single-needle lockstitch machine with automatic functions, bottom feed, and an energy-efficient direct-drive motor. Its elongated design provides 30.5 cm from needle to body. A stepper motor controls stitch length and bartacking, while the Octopus Dual-Core AI chip adjusts machine settings in real time to fabric thickness. Increased torque ensures smooth penetration through multi-layered materials. Features include a thread trimmer cutting to 3.5 mm, three function buttons near the needle bar (1/2 stitch, add stitch, bartack), and a USB port for external device connectivity.

Jack A5E-A AMH - Single Needle Direct Drive Fully Automatic Drop Feed Lockstitch Industrial Sewing Machine. The Jack A5E-A AMH Lockstitch Machine features an Artificial Intelligence chip and a Fabric Adaptive System that senses fabric changes in real time and communicates them to a powerful new motor—capable of punching through up to 100 sheets of A4 paper—thanks to a 15% increase in torque and power.

Jack A6F-E - Digital Needle Feed Lockstitch Machine. The JACK A6F is a specialist automatic lockstitch machine featuring double material transport and an expanded 30 cm distance between the machine body and needle bar, providing a larger work area. The double transport system ensures smooth, precise feeding of materials under the presser foot, ideal for handling heavier or layered fabrics.

Jack A6F-EH - Heavy Weight Digital Needle Feed Lockstitch Machine. The JACK A6F is a specialist automatic lockstitch machine featuring double material transport and an expanded 30 cm distance between the machine body and needle bar, providing a larger work area. The double transport system ensures smooth, precise feeding of materials under the presser foot, ideal for handling heavier or layered fabrics.

Jack A6F-E-PK - Digital Needle Feed Lockstitch Machine with PK Puller Feed Unit. The JACK A6F is a specialist automatic lockstitch machine featuring double material transport and an expanded 30 cm distance between the machine body and needle bar, providing a larger work area. The double transport system ensures smooth, precise feeding of materials under the presser foot, ideal for handling heavier or layered fabrics.