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Round Tube Inserts

Our selection of Round Tube Inserts are manufactured using high quality materials, ranging from LDPE Plastics to Aluminium Alloys depending on the type of installation required. Commonly used to finish off or cap the end of a tube, Plastic Round Inserts are recommended as they come in a number of styled variations such as 'chromed' which work well to provide an aesthetically pleasing finish to your tube. Also known as 'Round Tube Caps' thanks to their capping uses, these help to cover and prevent ingress of substance to the internal section of your tubing, protecting against excess water, acids and alkali's. 

Round Tube Inserts are easily fitted to your tube or section, requiring just a tap by hammer or hand for a long term fitting. Please see the product listings found below for all available styles and variations that we have on offer, along with pricing and sizing for each once clicked through to your required option. 

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

Why Choose Our Round Tube Inserts
  • Manufactured from a selection of quality materials
  • Ribbed for a reliable and long lasting fitting
  • High quality designs and size options
  • Largest range inside the UK
Each Round Insert listed below has a number of uses, some common ones include: We manufacture these inserts in a range of styles/colours so get in touch on 01233 713 581 if yours isn't below
Please note that categories such as - Round Inserts <76.2mm - Will contain all measurements between the previous and next category.

Variations Of Round Tube Inserts

Round Inserts 10-38.1mm
These Round Plastic Inserts to fit 10mm to 38.1mm outside diameter tubes are an ideal solution for inserting into the end of a piece of tubing to prevent ingress and to protect. Regularly used as replacement feet, these inserts work well with all kinds of round tubing which has been made for ground contact, acting as a foot when used in this kind of situation. When used as Round tube end caps, these are best suited for finishing uses such as a chrome tube finish, however they are also used for protection in larger tube diameters to cover pipe holes and similar applications. In some instances, these Round Plastic Inserts are available above 120mm, however you will need to look at some of our other listings to see all of the standard sizes which we have on offer.
Round Inserts 38-76.2mm
These Round Plastic Inserts for tubes are manufactured from a premium plastic and are regularly used with tubes, pipes and poles for all kinds of finishing, protection or truly assorted uses. These come with ribs as standard which help to give it a secure fitting inside of the tube or pipe as the ribs bend out of place when being knocked in. These round tube end caps are to fit sizes between 38mm and 76.2mm, however we are also able to offer a larger range of plastic end caps for round tubes all the way above and beyond 120mm which are often used for posts and poles due to the larger sizes offered.
Round Inserts 76-195mm
Our Round Plastic Inserts for use with tubes and other rounded objects are an ideal choice of plastic insert, simply slotting up on the inside of the tube to provide a number of finishing and protection benefits including prevention of ingress and other substance as well as to provide a clean look and feel. These Round tube end caps for plastic tube ends come in sizes ranging between 76mm and 120mm, this includes a number of sizes in between each of the measurements. Used mainly for larger applications such as pipes and posts, these come in a number of larger sizes to suit, including industry standard ones which make up many common size options.
Felt Glides For Tubes
These Tube Glides for chairs come with a standard flat base topped with felt, this helps to reduce friction across surfaces and can be easily fitted to tubular Chairs/Furniture. Coming with a ribbed shank section, these fit securely and without the need for additional fasteners, fixings or adhesives. Unlike our other products, these Tubular Insert Glides can be installed onto almost any appliance, making them a popular choice over their nail on, or screw in counter-parts. In their more broad sense and categorically, these are referred to as Felt Chair Glides. Hence their main usage being with a tubular base chair leg, where they would be inserted to act as a foot type fitting.
PTFE Insert Glides
These Insert Glides for tubes come with a PTFE base from standard, this promotes excellent gliding properties across a range of surfaces. Commonly used with carpet or even vinyl, PTFE resembles a popular consumer product in terms of teflon, a material which is regularly employed with frying pans to prevent sticking.
Round Threaded Inserts
Round Plastic Threaded Inserts, or threaded tube fittings as they can be known are a widely used part that work well with round tubes / holes due to their ribs which allow them to be slotted in and fixed with ease, whilst maintaining a tight fitting at all times. These are a plastic threaded tube insert solution that are extremely hard and durable therefore will work with a massive array of applications, each product has a number of thread options and sizes available with these standard plastic options with anything between M6-12 providing you with some of the strongest possible metal threads for your external attachment of threaded goods or products to fit inside your threaded tube insert. Threaded inserts or threaded tube ends as they are also called are good for use with a huge array of different tube sizes, lengths and shapes. Known as Tube Fixings for feet these work by insertion into a round tubular frame or section, with ribs to keep them tight in their position once fitted.
Tilting Felt Glides For Tubes
These Insert Glides for tubes come with tilting bases from standard, this allows you to adapt and adjust the base to suit your particular chair/furniture leg angle. Failing that, the base can also be adjusted to suit the specific flooring that it is being placed on, preventing any issues with stability. As Tube Glides, these work well towards reducing friction and stopping floors from becoming damaged or scratched. With a premium felt base, these are truly efficient and effective components that come in at reduced price thanks to their effective manufacturing. Again, in a broader sense than their main category these can be known as Felt Chair Glides. Being a wider take on its specific term, these can vary in how people understand them, from ball base foot to a felt base insert.

Please click through to find all available product sizes.
For all relevant product information, or to view our available guides, please see the full category description above.


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


Being one of the most trusted components manufacturers and distributors in the UK, we pride ourselves on providing our customers with the best services and products possible. Ensuring that we stay competetive by providing you with the best deal, along with free samples and secondary finishing services to give you the best outcome possible. As well as offering an excellent range of components we are able to manufacture to your specific requirements with a range of dip moulding, injection moulding, extrusions, rotational moulding and overmoulding techniques.


Why you should choose us for your Plastic, Rubber & Metal Component needs
Fast packaging and shipping at all times
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Free sampling available on most products
Excellent, friendly customer support on 01233 713581

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