... of differential feeding ratio,6, With thread & needle cooling system, thread & needle can be lubricated and cooled by C10 oil, ... seam, 8, The sewing speed is controlled with imported needle position motor and control box. 9, Equipped with pneumatic ... Specification: Flanging Thickness70mmFlanging Width30mmMax Rotate Speed5000rpmStitch Length2-5mmNeedleDO*5 22#Needle Gauge2.0, 3.0, 5.0mmAir Presure0.5-0 ...