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Square tube inserts and tube glides are essential components designed to cap the open ends of square tubes, providing both functional and aesthetic benefits. Ideal for a wide range of applications—from furniture manufacturing to mechanical assemblies—these inserts enhance performance, safety, and appearance.
Crafted from durable materials like LDPE (low-density polyethylene), HIPS (high-impact polystyrene), PA6 (polyamide/nylon), and other high-quality plastics, tube inserts offer tailored solutions depending on usage. LDPE offers flexibility and impact resistance, while PA6 delivers superior strength and wear resistance for demanding environments.
Key benefits of square tube inserts and glides include:
Edge Protection: They cover sharp metal edges, reducing injury risk and minimizing damage.
Stability: They improve grip and reduce movement or noise in furniture and equipment.
Aesthetic Finish: Providing a neat, clean look, they elevate product presentation.
Durability: They shield the tube interior from dirt and moisture, extending lifespan.
Square tube inserts come in push-fit, ribbed, and threaded styles to accommodate different wall thicknesses and assembly needs. Commonly used in metal fabrication, furniture finishing, and structural frameworks, tube glides and inserts are versatile, reliable, and easy to install—making them an essential choice for square tube applications.
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Square Angled Tube Insert Glides are ideal for applications with fixed leg angles.
Square Domed Tube Insert Glides can accommodate any degree of leg angle while providing a clean finish for structural tubing.
These black, textured ABS glides are designed for square metric tubing and are suitable for light to heavy-duty applications.
The durable ABS construction and press-fit design ensure a secure, long-lasting hold. Ideal for furniture, equipment and structural tubing.
These black, textured LDPE inserts are designed for square metric tubing. Ideal for aesthetic finishes or light-duty load-bearing applications.
The multi-wall ribbed design and press-fit construction ensure a secure, reliable hold in metal tubing.
They are widely used for furniture, frames and tubing protection.
Square Tube Inserts are available in both ribbed and straight wall designs. They are designed to fit into the end of a square tube or pipe. These glides provide a smooth, durable base for furniture, appliances and more. They protect floors from scratches, scuffs and other damage caused by heavy or sharp objects.
Threaded Square Tube Inserts, or simply Square Thread Inserts, are used to protect assemblies from the share edge of the tube and provide an aesthetically pleasing appearance. The threaded tube inserts have an internal thread that can accommodate components, such as leveling feet, tilt glides or castors.
Our Square Metal Threaded Inserts are made from High Density Polyethylene (HDPE) with Zinc Plated Steel threaded insert. Ideal for adjustable leveling mounts and feet, and ribbed to accommodate multiple gauges. They are blank in appearance.
If you're looking for something more robust, perhaps view our Square Heavy Duty Threaded Inserts. Made from glass-filled black Nylon with a Brass threaded insert. These threaded tubing inserts can be used indoors and outdoors - so are highly versatile. The high load rating is a great choice for machinery use.
Perhaps try our Plastic Threaded Tubing Inserts - made from Nylon, and available in a choice of Black and Natural colors. These are suitable for use with adjustable feet and tilt glides.
If a single-material option is your preference, our All-Metal Square Tube Inserts might be just right for your application. This thread steel tube option is made from Zinc Plated Steel. The metal ribs lock on to the inside of a square tube providing a tough and secure assembly.
Our square thread insert range is available in a selection of styles, materials and size options to suit your every need.
Customers who purchased Threaded Square Tube Inserts may also purchase Leveling Feet.
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