Jack A4B Industrial Lockstitch Sewing Machine

• Jack A4B sewing machine is suitable for stitching such products as blouses, shirts, men's, ladies and children's apparel, uniforms, overalls, lingerie, etc.
• Features bottom thread clampping to anti thread-off while starting sewing
• The stitch length can reach 0.1mm controlled by a stepper motor. The stitch length adjustment lock function has also been introduced
• Delivers high precision stitches
• Has a stepping motor control and presser foot height adjustable. Foot lifter digitally controlled by a stepper motor. It is possible to adjust up to 13 levels from the panel with one click.
• A4B lock-stitch sewing machine delivers Variable stitches that are fashionable and beautiful
• Jack A4 sewing machine is ideal for sewing light to heavy-weight materials including cottons, knits, polyester, nylon, sheer fabrics and denim  
• Heavyweight fabrics such as jeans can be sewn by changing the needle plate, feed dog, foot, stitch regulator, hook and needle bar
• You can create beautiful ornamental stitches, thanks to the alternating stitch length and repetitions. They can also be modified according to different needs.
• Thanks to the structure of the stepper motor for electronic bartack, noise has been drastically reduced: this allows you to work in a quieter and more comfortable work environment.
• You no longer need to cut the remaining thread: this avoids the risk of ruining the work and saves time and money. In addition, the machine also allows you to activate the initial and / or final condensation stitch to avoid the unraveling of the seam.
• Using Jack A4 sewing machine, it will teach you the various functions itself, if there are any errors it will notify you and by clicking on the VOICE button it will suggest how to solve the problem.
• The overlapping of the stitches can be done very precisely in all stitch lengths. Digital bartack function available.