Closing pipe ends requires fittings that deliver strength and corrosion resistance. The square head plug, made from galvanized steel, is designed to securely seal pipe openings with a leak-resistant fit. Its square head allows easy tightening with a wrench, while the galvanized coating provides long-lasting protection against rust, moisture, and heavy wear. Built for marine and industrial environments, this plug maintains performance under pressure and repeated use. Whether you’re completing new installations, handling repairs, or managing metric maintenance tasks, the galvanized steel square head plug provides dependable sealing for reliable piping systems.