A Hydraulic Cylinder Collar is used to secure the piston rod in place. It is made of plastic and is located at the end of the cylinder barrel. The collar has a threaded hole that the piston rod screws into. Once the piston rod is screwed into place, the collar is tightened down to secure it.Attributes: • Manufactured to precise specifications and are built for durability, and reliability• Protect the piston rod from damage by providing a barrier between the rod and the cylinder barrelApplications:A Hydraulic Cylinder Collar is used to prevent the piston rod from rotating by providing a tight fit around the rod.