Rectangular End Cap with Threaded Insert

Plastic push-fit end cap for rectangular tubes with integrated metal thread insert — ideal for adjustable feet, castors and fittings.

ATTENTION: The dimension given refers to the external size of your tube, not the internal.

Please ensure you measure the outside of your tube before selecting a product.

Also check the "Wall Thickness" specified for each variant to ensure compatibility.

Product Description

This rectangular end cap with a built-in threaded insert is a practical solution for finishing open tube ends while allowing for secure attachment of adjustable feet, castors, or other threaded components. Designed for push-fit installation, it combines a clean appearance with reliable performance in structural and furniture applications.

 Key Features

• Integrated internal thread (metal) – Reinforced with a durable metal insert for reliable attachment of adjustable feet, castors or other threaded components. Ideal for frequent load adjustments and long-term use.
• Ribbed body design – Ensures a firm and stable fit inside the tube without the need for glue or screws.
• Durable plastic construction – Resistant to wear, moisture, and corrosion. Suitable for indoor and outdoor use.
• Protects tube interiors – Prevents ingress of dirt, debris and water.
• Safety improvement – Covers sharp metal edges to reduce injury risk and protect flooring.
• Quick, tool-free installation – Simply press into place.

Common Uses

• Furniture frameworks (chairs, tables, benches)
• Metal fencing, railings, and gates
• Machinery feet and equipment stands
• Display units, signage and modular structures
• Recreational and playground installations

Benefits

• Adds a neat, professional finish to metal tubes
• Supports stable and adjustable positioning with threaded components
• Extends tube life by sealing ends
• Enhances safety and appearance
• Suitable for commercial, industrial and domestic use