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| two needle four thread Keestar 81300B1HL double safety stitch burlap jute gunny sack sewing machine |








Keestar 81300B1HL big bag sewing machine is chain stitch,Two needle four thread safety stitch bag sewing machine with double thread overedge and an additional double chain stitch. Its design and pedestal installation makes it especially suitable for side seams on very heavy weight container bags. Equipped with top and bottom guides for polypropylene filler cord for sealing the needle punctures. Plain and alternating upper feed with built-in electro-pneumatically operated presser foot and upper feed dog lifter, pneumatic presser foot spring. An advanced and latest designed built-in electro-pneumatically operated hot thread chain cutter are equipped at the left side of needle. The needle positioner are provided by servo motor drive unit with very comfortable operation.
burlap sack sewing machine, two needle four thread jute sack sewing machine, double safety stitch gunny sack sewing machine
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