IVE BEEN LOOKING FOR A SIDE MOUNT ,ALUMINUM CYLINDER, SPRING RETURN, FOR CLAMPING I HAVE SEEN THEM ON DIFFERENT MACHINES (2X1") AND THAY HAD THE NAME OF EACH MACHINE MFG. CAST IN THEM
SMC made it. MK serieswww.smceu.com
We represent Control Line,Cleveland, Ohio who now produce the old Aro 900 series of clamp cylinders, which have a cast aluminium body, foot mount, spring return. Sounds similar to what you are looking for.