5 Pcs NPT Push to Connect Air Fittings, Male Straight 4mm Tube OD x 1/4" NPT Thread Air Quick Connector, Black

What is this?
Quick-seal fittings for air compressors, pneumatic tools, vacuum & industrial systems. Works with PVC/nylon tubes. Perfect for automotive, factories, machinery production lines & DIY.

What will I get?
The Quick Connector Couplings we provide here Male thread size: NPT1/4; Clamp inner diameter: 4 mm/ 0.16 Inch; total length: 21 mm/ 0.83 Inch; thread length: 10 mm/ 0.39 Inch; hexagonal width across flats: 13.5 mm/ 0.53 Inch; Material: Nickel-plated copper, PBT
In the package of: 5 Pcs x Push to Connect Fittings

Are there any advantages of the product?
Durable nickel-plated copper and PBT resist corrosion and rust. The simple construction, well-sealed design ensure quick, easy connections for various pipe fittings.

How to use it?
Insert tube until it "clicks"

What should  I notice?
1. NPT Thread Size is a Nominal Pipe Size, and it Does Not represent the actual diameter.
2. When inserting the pipe, please note that it must be inserted into the end to achieve a tight and firm connection.