MAX SEWING SPEED 1800 SPM

CLEARANCE UNDER THE ARM

250x100mm

SR-4400：Single needle doule thread

SR-4420：Double needle treble thread

EQUIPMENT:

Hooks and sliding thread taking-up,this machine can sew two

parallel straight lock stitches. Arm shaft and hook shaft are

supported by ball bearing,making sure the possibilty of timing

belt drivingl plunger pump lubricating system feeding by compound

feed mechanism system such as feed dog,needle bar and preesser

foot,so that even thicker and longer sewing can be smoothly operated.