mxuteuk G089-1/4-34PCS Push-to-Connect Pneumatic Fittings for 1/4-Inch OD Tube

The 1/4-inch OD push-to-connect format is designed for pneumatic tubing and vacuum systems, making these fittings a practical choice for assembling air-line connections. Nickel-plated brass and plastic construction combines metal connection components with a circular release ring designed to make hose installation and removal easier.

A rotating cap and internal locking clip spring help keep engaged tubing securely in place. The kit is intended for applications ranging from workshop equipment and pneumatic tools to automotive systems and industrial automation.

Why it makes sense

Quick-connect fittings suit projects where tubing connections need to be assembled or removed as equipment or test setups change. The circular release ring supports hose removal as well as installation, while the internal locking clip spring helps hold the tube after engagement. A cap that rotates 360 degrees adds flexibility when positioning the fitting within a pneumatic setup.

The nickel-plated brass and plastic construction is specified for pneumatic and vacuum applications, with a working pressure range of 0–1.0 MPa (0–145 psi) and an operating temperature range of 0–60°C (32–140°F). These parameters help identify whether the fittings match the conditions of a planned system. Applications include workshop equipment, automotive air suspension, pneumatic tools, dental equipment, and industrial automation production equipment.

Buyers highlight the fittings’ functionality and variety, with comments noting that the range of configurations can be useful for quickly putting together test setups. For someone choosing between sourcing separate connections one at a time and using a fitting kit, the push-to-connect format offers a ready-to-use approach for compatible 1/4-inch OD tubing.

At a glance

• Tube size: 1/4-inch OD
• Connector type: Quick-connect
• Thread type: NPT
• Materials: Nickel-plated brass and plastic
• Working pressure: 0–1.0 MPa (0–145 psi)
• Operating temperature: 0–60°C (32–140°F)
• Intended systems: Pneumatic and vacuum

How to use it

Use these fittings with 1/4-inch OD tubing in a compatible pneumatic or vacuum setup. The circular release ring is designed to facilitate fitting and removing the hose, and the internal locking clip spring holds the tube after it engages. The rotating cap can help with positioning as the fitting is arranged in the system. Match the setup to the stated pressure and temperature ranges, and choose the NPT-threaded connection where that thread type is required.

For a workshop air line, for example, quick-connect fittings can support a setup where hoses may need to be rearranged between tools or equipment. The same connection style is suited to assembling test arrangements and other pneumatic applications that use the specified tube size. Rather than building every connection around a fixed hose assembly, this kit centers on connecting tubing through quick-connect fittings.

Should you buy it?

It makes sense if your project uses 1/4-inch OD tubing and you want quick-connect fittings for pneumatic or vacuum work. The release-ring design, locking clip spring, and 360-degree rotating cap address practical connection and positioning needs, while the stated operating ranges help guide application choices. Its range of use—from workshop and automotive equipment to pneumatic tools and industrial automation—makes it relevant for both equipment maintenance and assembling compatible air-line setups.