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Rectangular Tube Inserts

Variations Of Rectangular Tube Inserts

Rect. Tube Inserts 10-38mm
Our Rectangular tube ends or Rectangular inserts for tubes as they are also widely referred to as are an excellent solution for use with Rectangular box sections as they can easily be placed up on the inside of the tube thanks to the ribs which hold tight on the exterior of the insert to act as a fixing to keep the insert firmly in place at all times.
Rect. Tube Inserts 40-76mm
Rectangular inserts for tubes up to 76.2mm are an ideal larger choice of insert that are most commonly used with posts and poles, for finishing purposes as well as to protect the structure and integrity to the inside of a tube. Also referred to as tube caps, these fit internally to any kind of Rectangular shaped tubing or sections without the need for fixings or adhesives.
Rect. Tube Inserts 80-150mm
These box section ribbed end caps are extremely popular within a number of industries as they are easily inserted into a tube with the ribs holding them firmly in place the whole time. Also known as Tube Caps, these are a widely used solution for both protecting and finishing the end of a tube, preventing ingress and providing a functional yet aesthetic finish that provides a number of internal and external benefits. Rectangular tube ends, as they are also widely called, are an ideal choice for the finishing of a tube and are also widely used to protect a tube, preventing ingress of any kind.
Chromed Rect. Inserts
Our Chromed rectangular tube ends come with a clean, sleek chrome finish and have ribs on the exterior portion for the easy insertion up into the tube. Keeping the insert firmly in place, these ribs act as a fixing that prevents the need for any additional fastening or fixing, making this an even more cost effective solution.
Rect. Angled Tube Inserts
Our Rectangular angled inserts for tubes are a widely used rectangular tube end of Rectangular tube cap, these are regularly used with angled piece of tubular furniture to add grip or to act as a replacement foot. Alternatively these also have a further use as a finishing insert, protecting the inside of the tube, pole or pipe at the same time as providing a functional, effective finish.
Thin Head Rect. Tube Inserts
Our thin head rectangular inserts for tubes with a thin head are a discrete yet lightweight option for hiding the head of the insert on the end of a tube, this makes them ideal for finishing however can be used for use as replacement feet for Chairs and Furniture.
Rect. Metal Inserts
Rectangular metal tube inserts are a commonly used insert that is commonly used to add a heavy duty thread to a metal rectangular tube or box section as well as structural integrity. Each insert comes with a selection of thread types to ensure we have the desired product for you no matter what industry you may be using it for. Steel threaded inserts are available in a range of shapes and sizes as we stock a variety of metal threaded solutions for use with a range of tube styles and designs.
Rectangular Threaded Inserts
Rectangular threaded tube ends or threaded tube fittings, are some of our lesser known inserts due to their rectangular shape which is less common throughout a range of industries including furniture and automotive. They are regularly used with rectangular frames and tubes to provide a strong threaded area which allows for the attachment of external components such as adjustable feet, machine feet & screw in products. Each Rectangular type plastic threaded tube insert that we offer has ribs on its exterior to provide a tight fitting at all times, no matter what attachment. These slot in perfectly to provide additional thread attachment where-ever required, these could be adjustable feet or other attachments which hold in excellently at all times. These rectangular threaded tube ends are easily slotted into a tube to provide easy addition for external components, hence their nickname of fixings for feet (or threaded components).

All of our Rectangular Tube Inserts are made from a selection of strong and reliable materials. Some of which include LDPE Plastic & Aluminium Alloys. Commonly regarded as finishing or protection products, these inserts are often used to cap the end of a rectangular tube / section. This gives them their nickname within industry of 'Tube Caps', due to the internal conservation that they provide.

Along with their protection benefits, they are also recommended for functional uses. This includes installation into a table leg. This is as an easy solution to extend or add height, especially when paired with an adjustable foot. Each of these Rectangular Inserts feature a ribbed shank. This allows it to easily fit a range of wall thicknesses and tube diameters, as the ribs easily compress when fitted either by hand or hammer.

These Rectangular Inserts For Tubes come in a range of styles and sizes to suit your specific needs and project requirements. Please note that we are always able to offer custom sizing where necessary for a project.

All of our Rectangular Inserts are available for free sampling where required for large projects.

Benefits Of Using Our Rectangular Tube Inserts?

  • Manufactured from premium quality materials, including LDPE and Aluminium
  • Ribbed shank to fit a variety of tube sizes from standard
  • Push fitting rectangular insert solution
  • Free samples available
Standard Rectangular Inserts have been split up into size ranges, these being:

Check Out Our Tube Insert Guide For Measurement Tips

Need help choosing your ideal Rectangular Tube End Caps? Call us today on 01233 713 581

What Delivery Services are available?
We offer free 3-5 Day Delivery for orders over £15, £4.85 2nd Class Services for orders below £10 and £2.85 for orders £10-15. We also offer Next Day Delivery for £12.50 along with Guaranteed AM Delivery if required, collection can be arranged free of charge from our warehouse. For international shipping prices please use the shipping calculator on the cart page, once a product is inside your cart.

Can I get a Free Sample?
Free Samples can be requested through our product pages, displayed in the sizing table beside the product you require. Please note you can always give us a call on 01233 713 581 or contact us over Live Chat to discuss samples.

Do I need to Sign Up for an account?
You do not need to sign up to place an order, but it is recommended if you'd like to gain loyalty points, giving discount off future orders. To learn more about loyalty points, please see our Rewards Scheme page.

I am not sure what parts I need?
If you're unsure of what part you need then please do not hesitate to give one of our friendly Sales Team a call on 01233 713 581 and they can assist you. Alternatively, we're regularly active on the Live Chat and are always open for questions. 

Do you offer Returns on Products?
We offer a return period on all of our products to give you peace of mind, to view our policies and learn more about this process should it be required, please see our Returns Policy page.

Can you supply different colours of this product?
In most cases we have the facilities to offer you different colours of a product, specific to your requirements. Minimum order quantities may apply depending on the manufacturing technique in question, but please get in touch with any queries you may have.

To view our full Frequently Asked Question section, please click here

To find out more about the different material abbreviations used on site, please click here

Welcome to Vital Parts
One of the largest and most trusted Plastic & Rubber Component Manufacturers in the UK.


We are able to offer 30 day end of month accounts to businesses who regularly use our products, with priority free samples, priority delivery and your very own dedicated account manager. As a manufacturer we offer a comprehensive range of components, covering almost every industry imaginable. We hold an un-beatable range of sizes and product options, so be sure to look around. We are always here to give you support as and when you need it, with Live Chat and Telephone Support available between 9am to 5:30pm, Monday to Friday. Get in touch, we would love to speak to you. We operate a 24 hour dispatch service so that you can get your goods quickly and efficiently, with a final cut off time of 4pm. Order before 4pm with next day delivery for a 24 hour turn-around.


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