The Metric Threaded Plug Protectors are to securely close metric threaded openings in hydraulic and fluid systems, helping to control fluid retention and shield internal components from dust, debris, and moisture. By tightly sealing unused ports, the plug assists in maintaining consistent internal pressure and promoting reliable system performance. Sealing minimizes the possibility of fluid escape and contamination entry, supporting smoother equipment operation and extending component service life. The durable ensures dependable sealing performance under demanding operating conditions while enhancing overall system safety.Attributes:• Creates a tight seal in metric threaded ports to control fluid escape.• Protects internal systems from dust, dirt, and moisture intrusion.• Assists in preserving stable internal pressure levels.• Supplied in a pack size of 50 pieces.Applications: The Metric Threaded Plug Protectors fit into metric threaded ports within hydraulic assemblies, fluid transfer equipment, and systems. It serves to close spare or service openings, helping maintain pressure balance.