Description Overview Extra heavy duty mattress overlock machine specially designed for foamed cotton mattress Can add overlock sewing and safety thread locking at one time Key Features Twin needle bar design with extra high needle bar stroke up to the needle plate of 16 mm Extra high upper looper stroke up to the needle plate of 15 mm Upper and lower feed dog together with pressure foot compound feeding structure for excellent feeding ability Ultra-thick fabric passes smoothly with beautiful stitches Pneumatic presser foot lift up Extra width sawtooth type upper knife Strong suction waste collection chimney Specifications Maximum speed: 2500 rpm Height of presser foot: 20 mm Needle gauge: 20 mm (10 mm, 15 mm, 25 mm, 30 mm are available in other models) Overhand thickness: 35 to 90 mm Stitch length: 2 to 10 mm Needle / thread: DPX5 23# / 2 needle 4 thread Atmospheric pressure: 0.8 MPa Power: single-phase 220 V, 50 Hz Rating power: 750 W
