Skip to content 
If you’re in the market for a CO2 cartridge, you might be wondering: Should I choose a threaded or non-threaded CO2 cartridge? Picking the wrong one can lead to compatibility issues and wasted money. In this guide, we’ll break down the key differences, pros and cons, and which one is right for you.
Threaded CO2 cartridges have screw-like threads that allow them to be securely fastened into an inflator or device, providing a tight connection. Non-threaded CO2 cartridges, on the other hand, have a smooth surface and are inserted into compatible inflators that puncture the seal to release gas.
Key Differences:
- Connection Type: Threaded cartridges screw into the inflator, while non-threaded ones are pressed into place.
- Stability: Threaded cartridges offer a more secure connection, reducing the risk of leaks.
- Common Uses: Threaded cartridges are popular for bikes, airsoft, and paintball, while non-threaded ones are commonly used in soda makers and beer dispensers.
- Compatibility: Threaded cartridges require a specific inflator, whereas non-threaded ones work with puncture-style inflators.
- Cost: Non-threaded cartridges are generally cheaper than threaded ones.
What Are Threaded CO2 Cartridges?
Threaded CO2 cartridges are designed to be screwed into inflators, ensuring a stable and leak-free connection. They are widely used in:
- Cycling: Ideal for emergency tire inflation on road bikes and mountain bikes.
- Airsoft & Paintball: Provides reliable gas power for airsoft and paintball guns.
- Beer & Kegs: Some draft beer systems require threaded CO2 cartridges for pressure control.
These cartridges come in various sizes, commonly 16g, 20g, and 25g, to suit different needs.
What Are Non-Threaded CO2 Cartridges?
Non-threaded CO2 cartridges lack screw threads and rely on a puncture-style inflator to release gas. They are typically used for:
- Soda Makers: Popular in home carbonation systems.
- Mini Beer Kegs: Used in compact beer dispensers for maintaining carbonation.
- Some Airsoft Guns: Certain airsoft models use non-threaded cartridges.
Because they don’t require screwing in, non-threaded CO2 cartridges are often cheaper and more widely available but may not be compatible with all inflators.
How to Use a Non-Threaded CO2 Cartridge?
- Check Compatibility – Ensure your inflator or device supports non-threaded cartridges.
- Insert the Cartridge – Place the smooth end into the designated chamber.
- Puncture the Seal – The device will puncture the top to release CO2.
- Use as Needed – Depending on your equipment, gas will release gradually or instantly.
Tip: Always wear protective gloves when handling CO2 cartridges, as the rapid gas release can cause freezing burns.
Pros and Cons of Threaded CO2 Cartridges
Pros:
✔ Secure connection, prevents leaks
✔ Available in multiple sizes (16g, 20g, 25g)
✔ Ideal for cycling, airsoft, and beer kegs
Cons:
✘ Slightly more expensive
✘ Requires a threaded inflator
Pros and Cons of Non-Threaded CO2 Cartridges
Pros:
✔ Generally more affordable
✔ Widely available in different industries
✔ Compatible with some soda makers and mini beer kegs
Cons:
✘ Can be less stable in certain devices
✘ Limited size options (commonly 12g or 16g)
Common Applications of Threaded and Non-Threaded CO2 Cartridges
Choosing the right CO2 cartridge depends on your specific needs and device compatibility:
- Bike Tire Inflation: Threaded
- Airsoft Guns: Both (depends on model)
- Paintball Guns: Threaded
- Soda Makers: Non-Threaded
- Mini Beer Kegs: Non-Threaded
- Welding & Industrial Use: Threaded
Looking for high-quality CO2 cartridges? Check out our Alizeemetal CO2 cartridge selection for reliable, industry-grade options!
Compatibility: Which Devices Use Threaded vs. Non-Threaded CO2 Cartridges?
How do you know which CO2 cartridge works with your device? Here’s a quick guide:
- If your inflator has screw threads → Use a threaded CO2 cartridge.
- If your inflator has a puncture mechanism → Use a non-threaded CO2 cartridge.
For cyclists, airsoft players, and beverage enthusiasts, knowing the correct CO2 cartridge type ensures efficient and hassle-free performance.
Conclusion
Both threaded and non-threaded CO2 cartridges serve unique purposes. If you need a stable, leak-proof connection, go with threaded CO2 cartridges. If you prefer a budget-friendly, widely available option, non-threaded CO2 cartridges are a great choice.
