Jack JK-58450J-A-105

JACK JK-58450J-A-105 is an industrial two-needle lockstitch sewing machine with needle feed, automatic functions (thread trimming, needle positioner, bartacking, automatic presser foot lifter), and needle disconnection capability.

Machine Type

58720 enlarged rotary hooks.

Short Thread Trimming

Trimming the thread to a length of only 3 mm, automatically locking the stitch to prevent unraveling. Manual trimming is not required — saving time, effort and materials.
Straight Knife Thread Cutting Suitable for both thick and thin threads, features high stability and efficiency, high adaptability, cutting stability increased by 30%.
Voice Guidance The device will automatically guide you through various functions. In case of errors, it will notify you. By pressing the VOICE button, you will receive suggested solutions to the problem. In addition, the RESET button allows you to restore the system to its original settings.
Integrated Presser Foot Lifter Mechanism In addition to thread trimming, tacking and thread cleaning devices, the automatic presser foot lifting mechanism is fully integrated into the machine body. This design provides increased safety, quieter operation and an elegant, attractive appearance.
Single-Axis Motor The internal single-axis motor design reduces torque, effectively minimizing vibrations. This provides smoother, faster and quieter operation with improved running stability.
Spacious Working Area Thanks to dimensions of 264 × 120 mm, the enlarged workspace makes it easier to turn garments and allows you to comfortably and efficiently work with a wide range of fabric types.
Self-Cooling Handwheel The internal design of the handwheel promotes efficient air circulation, helping to lower motor temperature and extend the service life of electronic components.
LED Lighting Three adjustable levels of LED lighting provide uniform, glare-free illumination, reducing eye strain during sewing and threading.
Direct-Drive Motor An eco-friendly 750W motor provides powerful needle penetration and up to 71% energy savings compared to conventional motors.
Industry 4.0 (Optional) Thanks to the built-in Wi-Fi module, you can configure equipment parameters and monitor performance directly through the app.

JACK JK-58450J-A-105 is an advanced computerized needle-feed, double-needle lockstitch sewing machine for heavy-duty fabrics. A key feature of the model is the needle disconnection function. The machine is equipped with enlarged rotary hooks and automatic functions: thread trimming (short thread up to 3 mm), needle positioner, electronic tacking, and digital presser foot lifter. The built-in single-axis direct-drive motor ensures quiet operation and energy savings. The unit includes a spacious workspace, voice guidance system, bobbin winder, and oil level indicator, guaranteeing maximum convenience and high efficiency in production.

Technical Specifications

Model Jack JK-58450J-A-105
Application Heavy-Weight
Function Corner Stitch
Needle DPx5 11-16# / 14-22#
Stitch Length (mm) 7
Needle Guage (mm) 6.4
Presser Foot Lifting Height 7-13
Max Sewing Speed (S.P.M) 3000
Large Hook Yes
Volume (mm) 725x320x675
Weight (KG) 43/53.5