A4B – COMPUTERIZED SINGLE NEEDLE LOCK STITCH MACHINE
The Jack JK-A4B Single Needle Lockstitch Machine is a reliable and high-performance sewing machine designed for precision stitching in garment manufacturing. Known for its efficiency and durability, this machine is perfect for creating strong, clean, and professional seams on a wide range of fabrics.
Product Name | Jack A4B |
Type | Computerized single needle lock stitch machine |
Needles | Single Needle System |
Puller Options | No |
Applications | Suitable for sewing denim, shirts, raincoats, and various other fabrics |
Features
Feature | Description |
Stitch Adjustment | Electronic stitch Adjustment by Stepper Motor |
Versatile Applications | Can sew various products like denim, shirts, and raincoats. |
Column Stand | An optional stand that makes it more convenient to use during the sewing process. |
Puller Options | No |
Efficient Feeding | Stitch length and reverse feeding are stepper motor driven. |
Specification
- Model: JK-A4B
- Needle Size: 11-18
- Needle Type: DB x 1
- Number of Stitches: 20 types of pattern stitches available.
- Stitch Length: 5mm
- Number of Threads: Single Thread
- Presser Foot Lifting Height: 5-13 mm
- Lightweight Materials: Can sew light materials
- Medium Materials: Can sew medium-weight materials
- Heavy-Duty Capability: Can sew heavy-duty materials
- Heavier Duty Capability: Not suitable for weighty materials
- Maximum Speed: Can sew up to 5000 stitches per minute
- Dimensions (Size): 690 mm x 295 mm x 550 mm
- Weight: 40 kg (NW) / 46 kg (GW)
₹31,000.00
Product Description


Key Features:
- High-Speed Stitching: Capable of sewing up to 5,000 stitches per minute, the A4B dramatically improves productivity, making it suitable for high-volume garment production.
- Energy-Efficient Direct Drive Motor: The integrated direct drive motor offers low energy consumption while ensuring consistent stitch quality and reduced machine noise and vibration.
- Automatic Thread Trimming: The machine features an automatic thread trimming system that speeds up production and reduces manual intervention, improving operational efficiency.
- User-Friendly Operation: The A4B includes an easy-to-use control panel, enabling quick adjustments to stitch length, speed, and tension for different fabrics and sewing requirements.
- Durability: Built for longevity, the machine is made with high-quality materials, ensuring it can withstand continuous, high-speed use in busy production environments.
- Smooth Fabric Feeding: Equipped with an advanced feed mechanism, the A4B ensures smooth fabric handling, making it ideal for both light and medium-weight fabrics without compromising stitch quality.