RA series stainless steel mini round pneumatic cylinder, bore size range from 16 to 40mm. Front and rear cap of the mini cylinder are processed by high precision CNC machine, with strong guarantee of high consistency and concentricity. Pneumatic Cylinder barrel and front/rear cap are connected by riveted structure, leading to better performance and compression resistance. Special air cushion design keeps less impact from piston to front/rear cap for the mini pneumatic cylinder. Caps positioning machine guarantees front and rear caps locate at same horizontal position, easier to install. Better sealing performance with Japanese seals, together with Germany grease, gives RA series mini pneumatic cylinder longer life. Standard with swiveling tail type, flat tail and round tail types are optional.