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The machine adopts two straight needles,standard vertical-axis rotating hook with self-Iubricating feature for catching thread loops and sliding cam take-up to produce tow lines of double lockstitch, synchrony feeding of needle bar and feed assures even stitches and prevents materials being sewn from shifting .Knob-type stitch regulator and lever type reverse feeding machinates permit convenient operation. The arm shaft an hook shaft are supported by ball bearings with synchrony tooth belt for driving and plunger available for stitching shirts , uniforms,overalls.wor men's underwear's,jeans, etc. |