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Contact SupplierPlastic Square End Cap – 20x20mm (Inner Fit)
Description:
Our 20x20mm Plastic Square End Cap is a premium-quality insert designed to provide a clean, safe, and professional finish to open square tubing. Made from durable, high-impact polyethylene (PE) or polypropylene (PP), this end cap is ideal for furniture legs, fitness equipment, shelving, fencing, and various metal or plastic tube-based constructions.
Whether you 're protecting flooring from scratches or preventing moisture and debris from entering your tubing, this cap offers a reliable and sleek solution.
Key Features:
✅ Perfect Fit: Suits square tubing with 20mm x 20mm internal dimensions. Ridges ensure a snug and secure grip.
✅ Heavy-Duty Material: Made from high-density plastic (HDPE or PP) for strength, wear resistance, and long service life.
✅ Multi-Ribbed Design: Ridges along the sides allow flexible insertion and a tight fit across various wall thicknesses (usually 1mm to 2mm).
✅ Protective & Functional: Prevents dirt, dust, insects, and moisture from entering open tubes, while also protecting floors from sharp metal edges.
✅ Sleek Finish: Matte black appearance provides a modern, polished look for furniture and equipment.
✅ Easy Installation: Simply push into the tube manually — no tools required!
📐 Specifications:
| Material | High-Density Polyethylene (HDPE) or Polypropylene (PP) |
| Color | Black |
| Shape | Square |
| Size | 20mm x 20mm (inner tube fit) |
| Wall Thickness Fit | Approx. 1.0mm – 2.0mm |
| Quantity | Sold individually or in bulk packs |
📦 Applications:
Office chairs and table legs
Metal frame furniture
Gym and fitness equipment
Garden fencing posts
Shelving systems
Display stands and kiosks
DIY construction and more!
🌍 Why Choose Our End Caps?
Superior grip and finish
Long-lasting material
Cost-effective solution
Simple, tool-free installation
Suitable for both indoor and outdoor use




