Primefit 25 Pack Industrial Style 1/4″ Female NPT Air Quick Connect Plugs – Heavy Duty Plugs for Pneumatic Applications


SKU B005JRMTTO Category


Rugged and Durable Plugs for Industrial Pneumatic Systems

These Primefit industrial style air quick connect plugs provide a sturdy and secure pneumatic connection for your equipment and machinery. The 1/4″ female NPT thread allows you to easily integrate these plugs into your existing setup. With 25 plugs per pack, you’ll have plenty on hand for various applications and quick repairs.

Built Tough for Reliability

Constructed from heat treated steel, these quick connect plugs are highly durable to withstand vibration, pressure surges, and repeated connections/disconnections. The zinc plated finish resists corrosion and rust for long lasting performance in wet environments or when exposed to moisture.

Ideal for factory automation, packaging and food processing equipment, CNC machines, robotics, conveyor systems, and other industrial machinery. The thick heavy duty design stands up to rugged everyday use in manufacturing facilities, warehouses, and other working environments.

Quick and Easy Push to Connect

Features an industrial style, self-sealing design that connects instantly to standard 1/4″ male quick connect couplers. Just push in to connect, then pull back the collar to disconnect. Provides a tight seal and secure coupling that won’t leak or come loose under pressure.

Saves time over using threaded fittings or pipes. No need to turn or screw together the connection. Quick connect plugs snap into place in seconds for faster equipment changes, reconfigurations, and repairs. Reduce downtime and maximize productivity.

Versatile Compatibility

Works with any industrial style coupler that adheres to ISO 7241-1 / DOT push-to-connect standards. Use these plugs with NITRA style couplers, Truflate style, Dynatect, Versatrion, or other common 1/4″ quick connect fittings. Provides flexible compatibility with your existing hoses, valves, cylinders, and pneumatic components.

Ideal for air brakes, air clutches, grippers, rotary actuators, air motors, die grinders, air slides, vacuum generators, air amplification, and other pneumatic equipment using compressed air under 100 PSI. Suitable for a wide range of automation, fabrication, assembly, finishing, and other applications that utilize pressurized air.


  • Size: 1/4″ Male NPT
  • Thread Seal: Yes – Preapplied Thread Sealant
  • Body Material: Zinc Plated Steel
  • Seal Material: Nitrile (Buna-N)
  • Temperature Range: -20° to 200°F
  • Pressure Rating: Up to 250 PSI

Why Choose Primefit Quick Connect Plugs?

  • Zinc plated steel construction withstands industrial use
  • 1/4″ female NPT thread for easy installation
  • Push-to-connect and pull-to-release operation
  • Works with standard ISO 7241-1 style couplers
  • Preapplied thread sealant for immediate use
  • Nitrile seals suitable for air, water, oil
  • Rugged design handles up to 250 PSI
  • Provides secure, leak-free connections
  • Quick connect saves time over threaded fittings
  • 25 pack for connecting multiple pneumatic lines


  • Factory Automation Equipment
  • Packaging and Food Processing Machinery
  • CNC Machines
  • Pneumatic Powered Robotics
  • Conveyor and Material Handling Systems
  • Air Clutches and Brakes
  • Pneumatic Valves and Actuators
  • Air Amplification and Vacuum Generators
  • Pneumatic Motors and Air Tools
  • Air Slides and Air Bearings

Save Time and Maximize Efficiency with Quick Connect Plugs

Don’t waste effort screwing pipes and fittings together. Press these durable plugs into quick connect couplers for fast, easy connections. Just couple and decouple as needed to reconfigure equipment layouts and access machines for maintenance.

The heavy duty steel design provides reliable performance in industrial settings under pressure, vibration, and repeated connections. Zinc plated and hardened steel construction withstands moisture and impacts.

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