JACK A4F Computerized Lockstitch Machine (Complete Set)
From AED 3,100.00
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The Jack A4F is a computerized single-needle lockstitch sewing machine designed for medium-weight fabrics. It features a digital presser foot, digital stitch adjustment, automatic thread trimmer, digital bartacking, and short thread trimming. The machine's oil pan is detached, ensuring a cleaner working environment.
Why Choose the Jack A4F?
- Digital Stitch Length: Stitch length can be adjusted in 0.1mm increments, controlled by a stepper motor. The stitch length adjustment lock function prevents accidental changes.
- Digital Footlifter: The foot lifter is digitally controlled by a stepper motor, allowing adjustment up to 13 levels from the panel with one click.
- Pattern Sewing: Create ornamental stitches with alternating stitch lengths and repetitions, which can be modified according to different needs.
- Silent Bartack: The stepper motor structure reduces noise during bartacking, providing a quieter work environment.
- Short Thread Trimming: Minimizes leftover thread length after trimming, reducing manual cutting and improving efficiency.
- Voice Guide: Provides audible instructions and error notifications, assisting users in operating the machine effectively.
Key Features
- Needle System: DBx1, sizes 11–18
- Maximum Sewing Speed: 5,000 stitches per minute
- Maximum Stitch Length: 5mm
- Presser Foot Lift: 5mm (hand), up to 13mm (automatic)
- Feed Type: Drop feed
- Lubrication: Automatic with detached oil pan
- Motor Type: Direct-drive servo motor
- Power Requirement: Single-phase 220V
- USB Port: Allows for software updates and charging of external devices
- Built-in LED Light: Illuminates the work area for improved visibility
Technical Specifications
| Model | Jack A4F |
|---|---|
| Application | Medium-weight fabrics |
| Needle | DBx1, sizes 11–18 |
| Threads | 2 |
| Stitch Length | Up to 5mm |
| Presser Foot Lift | 5mm (hand), up to 13mm (automatic) |
| Maximum Sewing Speed | 5,000 stitches per minute |
| Dimensions | 690mm x 295mm x 550mm |
| Weight | Approximately 38.6kg (machine head), 44.6kg (with stand) |
Ideal For
- Garment manufacturing
- Tailoring and fashion design
- Light to medium-weight fabric applications
Included Accessories
- Needles
- Bobbins
- Oil
- Instruction manual
Why Jack?
Jack is renowned for producing high-quality industrial sewing machines that combine advanced technology with user-friendly features. The A4F model exemplifies Jack's commitment to efficiency, durability, and precision in sewing operations.
Production & Delivery Information
Our machines sell fast, and sometimes supply can't keep up with demand. For customers willing to wait, we’re happy to offer a special discount for customers who can wait. Think of it as our way of saying “thank you” for your trust and patience while we ensure you get the highest quality machine at the best possible value.
Contact us today to secure your discount!
Enhance your sewing capabilities with the Jack A4F. Contact us today to place your order or to learn more about how this machine can benefit your operations.

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AED 3,250.00
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