The Jack JK-T1903G / JK-T1900G Series is a high-speed, heavy-duty electronic computerized sewing machine that combines bartacking and button attaching capabilities into a single versatile platform. Engineered with direct-drive motor technology and an intuitive color touch screen interface, it easily stores and executes complex stitch patterns with precision. Featuring a short thread remaining system that eliminates manual thread trimming, it delivers immaculate stitch quality on light, medium, knitted, and heavy-duty materials including jeans, luggage, and sportswear.
Key Features
. Dual-Function Conversion (2-in-1)
. Clean Sewing with Short Thread Remaining
. High Production Speed
. Versatile Material Adaptability
. Automatic Button Feeding Compatibility (T1903G)
. Smart Color Touch Screen Panel
Technical Specifications
| Operation Type: Automatic / Electronic Computerized Direct Drive |
| Max Stitch Length: X: 2.4–6.8 mm, Y: 2.4–6.8 mm (Button) / Up to $40 times 30text{ mm}$ Sewing Area (Bartack) |
| Max Tack Stitches: Pre-programmed Electronic Bartack & Button Patterns |
| Needle System: DPx17 (14#–19#) / DPx5 (11#–16#) depending on subclass |
| Max Speed: Up to 3,200 S.P.M. (Bartack) / 2,700 S.P.M. (Button Attaching) |
| Application: Light, Medium, Heavy Fabrics, Jeans, Underwear, Knits, Socks, Buttons, Bags |
| Bed Type: Small Cylinder / Flat Bed Hybrid |
| Hook Type: Standard Oscillating Shuttle Hook |
| Lubrication: Sealed Semi-Dry Automatic Lubrication System |
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