The Coupler Cylinder Straight Thread O-Ring(STOR) Plug is a type of threaded fastener that can be used to seal the ports on a Coupler Cylinder. The plug allows the to be tightened or loosened with an Allen wrench, while the tapered bore provides a leak-tight seal. Light-duty STOR plugs are used in coupler cylinders because they are easy to install and maintain, and they provide a reliable and leak-tight seal.Attributes:• Provides a tight and secure seal, preventing fluid leakage from the cylinder• Hexagonal socket head design allows for easy access and tightening in confined spaces• Withstands high pressures within the coupler cylinderApplications:This Coupler Cylinder Straight Thread O-Ring(STOR) Plug is mounted at the piston in a hydraulic control lock to provide a secure seal for ports or openings in the cylinder.