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This item is a Black Plastic Rectangular Ribbed Insert, a versatile finishing plug designed for hollow rectangular metal or plastic tubing. It is engineered to provide a secure, flush fit that protects the tube's integrity and the surfaces it contacts.
Product Specifications & Features
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Material: Manufactured from heavy-duty Low-Density Polyethylene (LDPE) or PVC. This material is preferred for its excellent balance of flexibility and toughness, ensuring the ribs don't snap during installation.
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Ribbed Shank: Features a multi-finned design on the sides. These ribs are slightly oversized compared to the internal dimensions of the tube, creating a "bite" that holds the cap firmly in place without the need for glue.
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Finish: A flat, low-profile top with a textured matte finish. This helps mask fingerprints, scratches, and wear over time.
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Durability: Resistant to moisture, common household chemicals, and UV exposure, making it suitable for both indoor and outdoor environments.
Primary Applications
| Category |
Usage Examples |
| Commercial Furniture |
Finishing ends for office desks, conference tables, and rectangular chair frames. |
| Retail & Display |
Capping off clothing racks, shelving units, and signage frames. |
| Home Hardware |
Protecting floors from the sharp edges of bed frames, ironing boards, or step ladders. |
| Fabrication |
Sealing rectangular box sections in automotive trailers or DIY metal projects to prevent internal rusting. |
Selection & Installation
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Measurement: To ensure the correct fit, measure the Outside Dimensions (Width x Length) of the rectangular tube (e.g., 20mm x 40mm, 25mm x 50mm). The internal ribs will automatically adjust to different wall thicknesses.
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Installation: Simply align the insert with the tube opening and push in. For a professional, flush finish, tap the head gently with a rubber mallet.
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Maintenance: Once installed, the cap requires no maintenance and acts as a permanent seal against dust and debris.
Commonly used for: Rectangular steel sections (RHS), aluminum extrusions, and furniture manufacturing
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