Sewing speed:3000-4000R.P.M
Double needles lockstitch,big hook,automatic lubrication
Four types,for thin material and heavy material,with automatic thread trimmer
Suitable for coat,uniform, Casual clothes，tent,etc

With two straight needles, self-lubricated vertical-axis rotating hook for catching thread loops and sliding cam thread take-up, the machine can produce two lines of lockstitch. Synchro feeding of needle bar and feed dog assures even stitches and prevents materials being sewn from shifting Knob-type stitch regulator and lever type reverse feeding mechanism permit convenient operation. The arm shaft and hook shaft are supported by ball bearings. With synchro tooth belt for driving and plunger pump for lubricating. it is available for stitching shirts, uniforms, overalls, women's underwear jeans, etc
GC20518-M-D, GC20518-B-D is designed with electronic servo motor, digital circuit control and automatic sewing modes such as auto trimming auto needle positioning and auto stitch presetting. It features stable and efficient sewing performance.