JACK 781G Industrial Buttonhole Machine🛡️ 3-Year Warranty
🇨🇳 Made in China
JACK 781G – Professional Mechanical Buttonhole Machine
Product Overview:
The JACK 781G is a top-tier mechanical buttonhole machine tailored for industrial applications. It offers superior stitching consistency, low-noise operation, and outstanding production efficiency — ideal for demanding sewing environments.
Key Features:
- 🔧 Built-in direct-drive motor ensures stable, quiet, and energy-efficient operation
- ✂️ Automatic thread trimming & foot lifting via stepper motor for seamless production
- 📊 Digital control panel with auto buttonhole counter and thread breakage detector
- 🧵 “Short Thread” trimming option (3mm tail) – eliminates need for manual snipping
- 🧶 "K version" for knitwear – minimizes thread breakage on elastic fabrics
- 🔔 End-bobbin sensor with compressed air auto-cleaning system (F13 version)
- 🖥 Intuitive LCD screen with icon-based navigation — no manual required
- ⚙️ Auto stop on thread break + automatic foot lifter for ease and safety
Technical Specifications:
- Speed: up to 3600 RPM
- Noise level: <83 dB
- Lubrication: Automatic
- Power supply: 220V / 50–60Hz
📦 Ideal for: Garment factories, tailoring workshops, and high-volume production lines