A Hex Socket Head Plug is used to seal or close off an opening or port in a hydraulic oil filter. The Hex socket head design allows for easy fitting and removal using a wrench or socket, providing a convenient and secure means of tightening or loosening the plug. When the plug is tightened into position, the O-ring is compressed, creating a seal between the plug and the oil filter housing surface.Attributes:• Hex design provides multiple points of contact, allowing for a better grip and torque• Ensures a proper fit and seal within the filterApplications:A Hex Socket Head Plug ensures the integrity of the hydraulic unit by maintaining proper filtration and preventing oil leaks.