Description
The PRK Plastic Tube Insert (Square) is a high-quality component engineered to fit securely into square tubing, offering both protection and functionality. Made from durable plastic, this insert features a reinforced design with external ribs for a tight, stable fit inside the tube.
It includes a metal threaded insert, allowing for easy attachment of leveling feet, bolts, or adjustable components. This makes it perfect for applications such as furniture manufacturing, metal frameworks, equipment stands, and DIY projects.
Its robust construction helps prevent damage to tube edges, improves stability, and provides a professional, finished appearance.
Key Features
- Strong plastic construction for long-lasting durability
- Integrated metal thread for secure fastening
- Ribbed design ensures a tight fit inside square tubes
- Protects tube ends from wear and damage
- Easy to install (press-fit application)
- Suitable for furniture, industrial, and DIY use





