single needle unison feed heavy duty sewing machine

Detailed Product Description

sewing machine

1.this series is the latest of brand heavy-duty unison feed lockstitch sewing machine,designed with large vertical rotating hooks for thread loop cathing and sliding bars for thread up-taking.

2. it has subclassed in to single needle,single needle with under-trimmer and two needle with under-trimmer.

3.the application of needle bearing for arm shaft and hook shaft,cog belt driving,plunger pump lubrication and compound feed by needle bar,presser foot and dog providers this series with such splen-did features as smooth tunning,quiet working and a long service lire.

4.it is also equipped with a safaty clutch to prevent the hooks from damage by over-duty operation.

5.so it is especially available in stitching car seat cushions,safety belts, safety air bags,tents,parachutes,etc.