Best Compression Fitting Tube Inserts of 2026

The PATIKIL Brass Compression Inserts offer a durable and reliable solution for your tube connection needs. Made from sturdy brass, these inserts resist wear, corrosion, and high pressure, ensuring long-lasting performance even in tough environments. Their smooth, burr-free surface helps create a tight seal, reducing the chances of leaks or stuck fittings. Installation is simple—just insert the hose into the brass support and connect it with compression fittings, saving you time and effort. Designed for use with plastic and nylon hoses, these inserts are perfect for hydraulic, pneumatic, and HVAC systems, providing secure and efficient connections.

The PATIKIL Brass Compression Inserts offer a durable and reliable solution for your tube connections. Made from strong brass, these inserts resist corrosion and high pressure, ensuring long-lasting use in various environments. Their smooth, burr-free surface creates a tight seal that helps prevent leaks and blockages, giving you a secure and efficient connection. Designed for easy installation, you simply insert the hose into the brass support and connect it with compression fittings, saving you time and effort. These inserts work well with plastic and nylon hoses, making them ideal for hydraulic, pneumatic, and HVAC systems, as well as humidifiers.

The PATIKIL Brass Tube Inserts provide a reliable solution for connecting hoses with a 4mm outer diameter and 2.5mm inner diameter. Made from strong, reusable brass, these inserts resist wear, corrosion, and high pressure, ensuring long-lasting performance in various environments. Their smooth, burr-free surface creates a tight seal that prevents leaks and blockages, giving you a secure connection every time. Installation is simple: just insert the hose into the brass support and use compression fittings to complete the connection. This kit is ideal for use with plastic and nylon hoses in hydraulic, pneumatic, and HVAC systems, making your projects easier and more dependable.

The uxcell Brass Tube Fittings offer a reliable solution for connecting small pipes with ease. Made from durable brass, these fittings resist pressure, wear, and corrosion, ensuring they last through tough conditions. Their simple yet precise design provides a tight, leak-resistant seal, giving you confidence in your connections. Installation is straightforward and requires no special tools, making it easy for you to complete your project quickly. These fittings work well in various settings, whether you're handling water, oil, air, or fuel lines. With uxcell Brass Tube Fittings, you get a sturdy, user-friendly option for your piping needs.

The PATIKIL Brass Tube Inserts are designed to fit tubes with a 3mm inner diameter, making them ideal for precise pipe connections. Made from durable brass, these inserts resist corrosion and high pressure, so you can trust them to last in various environments. Their smooth, burr-free surface ensures a tight fit, helping prevent leaks and sticking during installation. Plus, these fittings are easy to assemble without needing welding or extra preparation, allowing you to connect different types of tubing quickly and efficiently. This makes them a convenient choice for your air, water, or oil pipeline projects.

The PATIKIL Brass Compression Insert is designed to fit tubes with a 4mm inner diameter, making it a perfect choice for your small piping needs. Made from durable brass, this insert offers strong resistance to wear and corrosion, ensuring it lasts long even in tough environments. Its smooth, burr-free surface means you won’t have to worry about leaks or blockages, giving you a reliable connection every time. Plus, it’s easy to install—no welding or special tools needed—so you can quickly connect copper, aluminum, or plastic tubes with ease. This product brings convenience and durability to your air, water, or oil pipeline projects.

The Beduan Brass Compression Inserts are designed for 1/4" ID tubes, making them a perfect fit for your small tubing needs. Made from durable brass, these inserts resist corrosion and perform well under high temperatures, so you can trust them for long-lasting use. They can handle working pressures up to 3000 PSI, ensuring a secure connection even under demanding conditions. Plus, their wide temperature tolerance from -65°F to 250°F means they work well in both cold and hot environments. With a pack of 10, the Beduan Brass Compression Inserts offer reliability and convenience for your tubing projects.

The Breezliy Brass Compression Insert is a set of 120pcs tube inserts made of high-quality brass. These inserts are suitable for various pipe sizes ranging from 1/8" to 1/2". The brass material provides excellent corrosion resistance, ductility at high temperatures, and low magnetic permeability. This makes the inserts durable and long-lasting. The Breezliy Compression Insert is designed to be used with both plastic and copper tubing, making it versatile for different applications. With its quick and simple installation, it is commonly used to connect lines for air, water, fuel, oil, and inert gases. Whether you're a DIY enthusiast or a professional, these compression inserts offer convenience and reliability for your plumbing needs.

The Joywayus Compression Inserts are designed for 3/8" outer diameter pipes, making them versatile for various applications. Constructed from durable brass, they can withstand a working pressure of 3000 PSI and function effectively in temperatures ranging from -65°F to 250°F. This ensures reliability in both hot and cold environments. You will appreciate the convenience of connecting different materials like copper, brass, aluminum, or plastic tubing without needing any flaring tools. These inserts simplify the connection process for air, water, fuel, oil, and inert gases, allowing you to complete your projects quickly and efficiently.

The Siptenk Brass Tube Inserts kit offers 236 pieces in six different sizes, making it easy for you to find the right fit for various tubing needs. Made from durable brass, these inserts provide excellent resistance to corrosion, rust, and pressure, ensuring long-lasting performance. The precise manufacturing process guarantees smooth edges and a perfect fit, so you can work confidently without worrying about leaks or damage. Installation is simple and quick, whether you’re connecting plastic or copper tubes for air, water, fuel, or oil lines. This kit is a convenient choice for anyone needing reliable and versatile compression fittings.