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Jack JK-T1790B

Electronic Lockstitch Buttonholing Machine

Multifunctional, electronic controlled and programmed buttonhole machine, driven by AC servo motor, with features such as low vibration, low noise. High efficiency and excellent sewing quality.

Machine is equipped with electronic thread tension device to avoid thread breakage, drop thread when start sewing and makes perfect stitch. Modern technology provides limited to minimum lubrication (that prevents the formation of spots on the sewing products). The cooling fan greatly lowers the temperature of motor, lengthens the lifetime of the machine. LED lamp for lighting of working field is standard. Maximum speed can reach 4200 RPM.

For light and medium fabrics.

JACK Buttonholing machine JK-T1790B is equipped with a readable control panel, that makes new patterns easy to update.

Max. 200 patterns can be saved on the operation panel or update by USB port.

Automatic functions

  • presser foot lifter
  • thread trimmer
  • sewing speed regulation
  • multi-cutting system – can make buttonhole of any length, without changing the knife.

Technical parameters

  • maximum sewing speed: 4200 stitches / min
  • buttonhole length:
    • 6.4 – 25.4 mm with the standard work clamp
    • 6.4 – 31.8 mm optional (additional equipment)
  • bartacking width max. 5mm
  • power supply: 230V

Technical Specification

ModelNeedlesNumber of needlesNumber of threadsThe size of the buttonhole
Presser foot lift (mm)Sewing speed: stitches / min
JK-T1790BS-2DPX5 12#1235 x 5174200
JK-T1792BSDPX5 12#12120 x 5174200
More Information
Part No JACKJKT1790BS3
Weight (KG) 105.000000
Manufacturer Jack