JACK A4F-D Computerized Single Needle Lock Stitch Sewing Machine

Each Button has Voice Reminder, Each Operation has Voice Guide.

Easy to learn
Easy to use
Operation Panel is Easy to Understand, No Need to Afraid of the Parameters.

For heavy and light fabric
Enlarge the sewing range, suitable for various kinds of fabrics such as Jeans and Yarn.

USB port
Advanced USB Port for Charging Cell Phone, Cooling Fan, also can be used to Upgrade Software.

Cooling fan
Cooling fan greatly decreases the temperature of motor, extend the lifetime of machine.

ech specs


Needle Thread Number Stitch Length(mm)
Height of Presser Foot(mm)

Sewing Speed(S.p.m) Auto Matic Presser Lifting Eletronic Tension Post Thin Material Mudium-heavy Material Heavy Material Volume(mm) Weight(kg)
DBx1 11-18# 1 5 5-13 5000 Standard Standard √ 645*248*550 40/46
DPx5 18-21# 1 5 5-13 3500 Standard Standard √ 645*248*550 40/46
DBx1 11-18# 1 7 5-13 3500 Standard Standard √ 645*248*550 40/46
DPx5 18-21# 1 7 5-13 3500

In Stock


JACK A4F-D Lockstitch

1-needle JACK A4F-D Lockstitch machine with automatic functions, bottom feed and energy-saving motor built into the machine head (Direct Drive), which guarantees quiet and reliable operation and reduces electricity consumption. Central lubrication.
Additionally, the machine uses a stepper motor that controls the stitch length setting in the machine and is responsible for the locking function. This solution significantly reduces the noise level during locking and also allows you to precisely set the stitch length with an accuracy of 0.1 mm.

Automatic functions: 

  • thread cutting
  • presser foot lift
  • bartacking (fastening) while sewing
  • needle positioning

Technical parameters: 

  • sewing speed up to 5500 s.p.m.
  • stitch length up to 5 mm.
  • presser foot lift up to 13 mm.
  • three function buttons located at the needle bar: 1/2 of the stitch length, adding a stitch, bartacking.
  • USB port for charging external devices.


MODEL NEEDLE THREAD Stitch length (mm) Presser foot lift (mm) Sewing speed: stitches / min
DBx1 11-18#
2 5 5-13 5000

JACK vigorously promotes the integration of the two innovations, and enhances the ability to respond to the market changes quickly. With the corporate mission: provide the best sewing machinery with optimum cost-performance ratio to all, and the corporate spirit: harmony, honesty, struggling, rise, JACK keeping pace with the times, developing and innovating to follow up a new round of global industrial revolution, to build the “INTELLIGENT FACTORY” with wisdom data, intelligent manufacturing and intelligence services.

For years, considering “provide the most competitive-priced sewing equipment and considerate service to every customer and make remarkable contribution to new sewing culture ” as its mission, and adhering to the enterprise spirit as ”Harmony, Honesty, Struggle, Rise”, Jack keeps pace with the times and advocate innovation. It makes unremitting endeavor to build Jack the first brand of global sewing equipment.

Where can I buy the JACK A4F-D single needle lockstitch Industrial sewing Machine . in Bangladesh?

You can buy the JACK A4F-D single needle lockstitch Industrial sewing Machine . from Shohag Enterprise . Also, We offer JukiBrotherSirubaMaqiKansaiHashima, and other Brands’ industrial Sewing machines at best price in Bangladesh.


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