Square Domed Inserts - SQ118

Square Domed Tube Inserts -20mm x 20mm Outside Diameter - Black- LDPE | Vital Parts - SQ118

Our Square Domed Tube Inserts are designed to provide a professional and secure finishing touch for square tubes, pipes and box sections. These durable inserts protect and enhance the aesthetic appeal of tubular structures in furniture, industrial applications and commercial displays. With a simple push-fit installation, they offer a hassle-free solution for capping off open tube ends while preventing dirt and moisture ingress.

This product is manufactured from high-quality Low-Density Polyethylene (LDPE) plastic, ensuring excellent durability, impact resistance and long-term performance. The domed head design provides an aesthetically pleasing finish, making it ideal for use in furniture and public seating. Additionally, the ribbed shank ensures a firm grip inside the tube, accommodating different wall thicknesses without requiring adhesives or fixings.

What are Square Domed Tube Inserts?

Square Domed Tube Inserts are specialized end caps designed to fit snugly into square tubing. They serve as protective closures that prevent dirt, moisture, and contaminants from entering the tube, reducing the risk of internal corrosion and extending the life of tubular structures. These inserts are commonly used in applications where exposed tube ends require both a secure fit and an attractive finish.

Key Features & Techincal Specifications:

• To fit Tube Size : 16-18.4mm
• Outside Diameter : 20mm x 20mm
• Wall Thickness : 0.8-2.0mm
• Durable LDPE Construction - High-impact resistance ensures longevity and reliable performance.
• Domed Head for a Professional Finish - Provides a neat and polished look, ideal for visible applications.
• Ribbed Shank for Secure Fit - Grips tube walls firmly, preventing movement without the need for adhesives.
• Prevents Wear and Contamination - Blocks out dust, dirt and moisture to protect tube interiors.
• Push-Fit Installation - Quick and tool-free application for user convenience.
• Range of Sizes Available - Fits tube sizes from 16mm to 23mm , accommodating various applications.

Applications:

Our Square Domed Tube Inserts are ideal for:

• Furniture Finishing: Used in chairs, tables and shelving units for a clean, capped-off look.
• Industrial and Commercial Tubing: Prevents internal contamination and corrosion in exposed tubes.
• Retail Displays and Shelving: Enhances the professional presentation of structural tubing.
• Public Seating and Outdoor Furniture: Protects tube ends in benches, stadium seating and park furniture.
• Gym and Sports Equipment: Ensures safe, rounded tube ends in fitness machines and exercise frames.

Benefits:

• Enhanced Aesthetic Appeal - The domed head design improves the overall look of furniture and tubular structures.
• Extended Lifespan of Tubes - Prevents dirt, moisture and rust formation inside exposed tubes.
• Secure and Stable Fit - Ribbed shank holds the insert in place without shifting over time.
• No Tools or Adhesives Required - Quick and easy push-fit installation saves time and effort.
• Versatile Usage - Suitable for various applications, from home furniture to industrial machinery.

Why Buy from Vital Parts?

Vital Parts is a trusted UK supplier of high-quality fasteners and industrial components. We offer:

• Same-Day Dispatch: Ensuring fast delivery to keep your projects on schedule.
• Competitive Trade Pricing: Bulk discounts available for larger orders.
• Expert Support: Our technical team is ready to assist with product selection and application guidance.

Our Square Domed Tube Inserts provide an effective way to cap off square tubes while enhancing durability, protection and aesthetics. Their easy push-fit installation, durable LDPE construction and ribbed shank design make them a reliable, long-lasting solution for furniture, industrial applications and commercial displays. Available in multiple sizes, these inserts ensure a perfect fit for your tubing needs , delivering both functionality and a professional finish . Need assistance? Contact our expert team at 01233 713581 .