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Family Business Since 1947

K4 SERIES Cover stitch



Complete price built up ready to sew 

Spare needles 

1 year warranty

Free delivery in Birmingham and the midlands only

JACK K4 Interlock

A series of modern, 3-needle interlock machines with a cylinder bed, equipped with an energy-saving motor mounted in the head (Direct Drive system), which guarantees quiet and reliable operation and lower power consumption. Machines dedicated to sew closed circuit in blouses, T-shirts and other knitted products, decorative stitching and many other operations. The bottom differential transport ensures a high quality stitch, even with very inconvenient Lycra materials. The machine is equpped in LED lighting (with the possibility of 3-level adjustment of light intensity).

Technical parameters:

  • sewing speed up to 5500 stitches / min.
  • presser foot lift up to 6.2 mm
  • standard needle gauges: 5.6 mm or 6.4 mm (optionally – option of another gauges)