1,Compact cylinder for eyelet buttonhole and electric pattern sewing machine. 2,Four mounting holes are with thread. 1, With self lubricating bearing and imported seals,the piston rod is lubrication free.2, The inwall of the cylinder tube is hard anodizing which the hardness is above HV400,so the cylinder is high wear resistance.3, Machining the spare parts with high precision CNC lathe and CNC ...
