Plugs

Engineered for High-Performance Sealing

Each SuperlokUSA® SAE plug features precision-machined threads that provide a tight, vibration-resistant seal while allowing for easy removal and reinstallation. Constructed from 316 stainless steel, carbon steel, and brass, these plugs resist corrosion, high temperatures, and aggressive fluids, making them suitable for industrial, automotive, aerospace, and marine applications.

If you’re looking for a Swagelok® alternative, SuperlokUSA® offers fully compatible SAE plugs that deliver equal or superior performance at a competitive price. Simply enter a Swagelok® part number into our search bar to find a high-quality SuperlokUSA® equivalent.

Applications of SAE Plugs:

• Hydraulic and Pneumatic Systems – Prevent fluid loss and maintain system pressure.
• Instrumentation and Testing – Seal ports securely during system diagnostics.
• Industrial and Manufacturing Systems – Provide leak-proof closures for unused ports.
• Automotive and Aerospace – Compliant with SAE and ISO standards for fuel, lubrication, and air systems.

Why Choose SuperlokUSA® SAE Plugs?

Leak-Free Threaded Sealing: Designed for high-pressure and high-temperature environments, ensuring secure closures without additional sealing compounds.

Swagelok® Compatible Alternative: Fully interchangeable with Swagelok® SAE plugs, offering cost-effective, high-performance solutions.

Superior Corrosion Resistance: Available in 316 stainless steel and coated carbon steel, ensuring long-term durability in extreme operating conditions.

Certified for Quality and Performance: Meets or exceeds SAE, ASME, ISO, and API standards, ensuring reliable sealing in critical applications.

SuperlokUSA® SAE plugs are rigorously tested for high-pressure containment and thermal expansion resistance, making them an ideal choice for demanding industrial applications. Whether you need permanent or temporary sealing, these plugs offer the reliability and precision you need. 

Browse our products today to find the perfect SAE plug for your fluid system!