1/4 NPT Quick Coupling Connector | Air Compressor Fitting
1/4 NPT Quick Coupling Connector | Air Compressor Fitting
1/4 NPT Pneumatic Quick Coupling Connector for Air Compressors
Keep your air compressor setup running smoothly with this durable US Standard Quick Coupling Connector. Featuring a 1/4 NPT thread size, this pneumatic fitting is available in both male and female thread options, making it easy to connect or expand your air tool system with confidence.
Crafted from solid iron with a copper-plated finish, this quick-release coupler delivers reliable rust resistance and a polished gold appearance. The secure push-to-connect design allows for fast, tool-free attachment and detachment of air lines — ideal for workshops, garages, and job sites alike.
Made in Mainland China.
Key Features
- US Standard Type: Compatible with standard American pneumatic fittings and air compressor systems
- 1/4 NPT Thread: Standard 12.5mm thread size fits most air hoses and compressor outlets
- Male & Female Options: Choose the thread type that suits your setup
- Copper-Plated Iron Construction: Rust-resistant finish for long-lasting durability
- Compact Size: Approx. 53mm × 23mm (2" × 0.9") — fits neatly into any workspace
- Quick-Connect Design: Fast, secure connection and disconnection of air lines
Specifications
| Material | Iron with copper plating |
| Color | Gold |
| Thread Size | 1/4 NPT (12.5mm) |
| Dimensions | Approx. 53mm × 23mm / 2" × 0.9" |
| Thread Options | Male Thread / Female Thread |
| Suitable For | Air Compressors |
| Quantity | 1 piece |
Package Contents
- 1 × Pneumatic Quick Coupling Fitting
Notes
- Please allow for slight measurement deviations (±1–3mm) due to manual measurement.
- Actual color may vary slightly from product images depending on monitor settings and lighting conditions.
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Frequently Asked Questions
Q: What thread size does this pneumatic quick coupling connector use?
A: This fitting uses a 1/4 NPT (National Pipe Taper) thread size, measuring approximately 12.5mm. It follows the US Standard specification and is compatible with most standard air compressor hoses and pneumatic tools.
Q: What is the difference between the male thread and female thread versions?
A: The male thread version has external threads designed to screw into a female-threaded port on your air hose or compressor outlet. The female thread version has internal threads and is designed to receive a male-threaded fitting. Choose the option that matches your existing air compressor connection.
Q: Is this pneumatic fitting rust-resistant?
A: Yes. The fitting is made from iron with a copper-plated surface treatment, giving it both a attractive gold finish and strong rust resistance for long-term use in workshop or garage environments.
Q: How many fittings come in one order?
A: Each order includes 1 pneumatic quick coupling connector. If you need multiple fittings for your air system, simply adjust the quantity before adding to your cart.