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End Caps

Our Selection of End Caps

Silicone Caps
Silicone rubber end caps are a highly advanced and extremely useful product being able to withstand temperatures up to 315C. These high temperature rubber caps are perfect for use while Powder Coating, Shot Blasting, Anodizing and Protection. Silicone as a rubber is a very durable material being able to withstand a large number of production runs and conditions. These masking Caps are a versatile product able to stretch over a range of diameters from one cap and are one of the most popular products we supply. We are able to manufacture these high temperature end Caps in a range of different Shore Hardness, Colour and Length depending on the custom size required so contact us now with your needs and we will be happy to assist. Often used along-side Pole end caps to protect or cover whilst being coated, these are a cheap solution to prevent overspray or errors during painting. In comparison to Plastic End Caps, these Silicone versions have a much higher heat capability. Working with temperatures much higher than the majority of plastics are able to handle, making these a go-to solution over any kind of plastic masking solution.
EPDM Rubber Caps are a very strong and resilient product withstanding temperatures up to 215C. These Caps have great resistance to Acids and Alkalis making them very popular within the Oil & Gas Industry and Automotive. EPDM Caps are a versatile product able to stretch over a range of diameters from one cap and perfect for use while Powder Coating, Shot Blasting, Anodizing and Protection. We are able to manufacture them in a range of different Lengths depending on the custom size required so contact us now with your needs and we will be happy to assist. These Rubber caps for high temperature covering and masking are used for a range of main uses and can work well when used as tube end caps, with a clean black finish that these Caps provide they are an ideal solution.
PVC Caps
Our PVC Caps or 'Rubber Covers' as they are known, are a massively used component inside a number of industries, this is due to them being a multi-purpose part that can be used for truly anything. This could mean protecting, finishing, covering, masking or a number of applications. These Vinyl caps, or simply Pole ends come as standard in a glossy black and are a malleable product that is able to be worked onto an application to provide a tight fitting, making them excellent for covering studs and threaded components. PVC Caps are a widely used rubber end cap solution that is often used over plastic caps due to the flexibility and malleability of the products offered, this allows a couple of millimeters of slack preventing you from having trouble fitting the caps. We stock these vinyl or rubber end caps in a range of styles including Round, Square, Rectangular and Stud versions, these are all manufactured with strength in mind, therefore have excellent tensile strength when used with larger applications. Often used as alternatives to Rubber End Caps, PVC works as a well known Plastic/Rubber composite, gaining many of its properties from Plastics to blank off tube ends, as well as posts or poles.
Tube End Caps
These plastic end caps for tubes, or plastic covers as they can be known, are one of our most popular plastic cap products that we offer here, they are ribbed inserts that simply slot into the end of a tube or pipe to act as a cap to prevent ingress and even add another level of aesthetic to a tube. We stock these plastic caps in a range of styles and variants to ensure we have the ideal choice for your application or job and that we have the ideal size to fit inside of your tube, rather than falling through or not providing a sturdy fitting. These fittings or plastic caps are made from an LDPE plastic and therefore have an excellent level of strength and tenacity throughout their use, further increasing their usefulness across a number of other uses. Being popular choices of plastic end caps these come in a number of variants which include strong ribs that helps them easily insert inside of the tube. Also known as cap ends or tube ends these can easily be placed on the inside of a tube to act as a solid fitting, doubling up as a foot or a protection solution. As well as protecting an object these can work well to provide an aesthetic finish to a tube, pipe or pole, whilst preventing ingress at the same time. As ribbed products these tend to be versatile and hard wearing, meaning they can fit across a number of sized tubes without the need for modification, increasing their value as a DIY product to cap off, blank or plug the end of a tube. Also regularly ordered along-side threaded inserts, these can work well for finishing off the end of an application after flow drilling.
Nut Caps
Nut Caps are a hugely popular product for us, they are a universal product in all industries used to safely protect the Bolt Head or Nut. These hex nut caps are known as plastic covers for bolts and nuts, made from a highly strong and durable LDPE to industry standard BSP and metric thread sizes. Plastic Nut Caps provide a professional finish and can really extend the life term of the part they are protecting, providing a barrier against the elements and when teamed with a sealant, against moisture as well. If you would like advice with Nut Caps or anything else please contact us on 01233 713581. Domed or Hex Caps as they are also known work well when covering exposed bolts and are a widely used solution inside many different industries as they can protect the pro-long the life of an application simultaneously. These work to cap off and cover the head of a nut or bolt, working as Plastic End Caps which screw into place for a tight fitting.
Screw Caps
Screw Caps are a new product into our range here at Vital Parts, coming in a huge array of sizes and colour ways to meet all needs and requirements that you may have for them. Popular inside the Painting & Decorating industries, these are a go-to product for providing an aesthetic finish to an exposed or visible screw head. Coming in Yellow, Blue, Black, White, Brown, Cream, Grey & More, we offer a competitive selection to keep up with the demands of the industry. Along with the common sizes, we offer matching washers in both flat and countersunk options, to provide you with the best possible cover cap solution possible. As popular forms of End Caps we have been meaning to introduce these for a while, offering a full range and selection of high quality styles.
Secure Nut Caps
These Secure Nut Caps are an excellent plastic covering cap solution that is able to lock into place after being installed, this prevents access to a nut or bolt, making these plastic covers ideal for use inside places such as Children play area's, where access to the nut or bolt could prove dangerous. These simply place over the top of the bolt, with the covering cap being inserted into the center to cover the full head of the bolt and prevent full access rather than other products with only provide part security. These Secure plastic end caps are available in a range of sizes and styles, this includes a selection of colours and shades which are popular with schools and other educational facilities as colour coding can be essential for ease of maintenance and reparation.
Post Caps
Post Caps are made from a strong yet durable PVC and made to match Industry Standard Post sizes. Post caps, Pole Covers or PVC Pipe Ends are ideal for finishing and preventing water entering posts and rusting, or simply to provide a nice finish. As popular forms of Plastic Covers these have the ability to flex or bend slightly to your application, preventing the need for made to measure/particular sizing. PVC is suitable to withstand a range of temperatures and is UV Stable. We are able to manufacture Post Caps or Vinyl pole ends in a range of different Shore Hardness, Colour and Length depending on the custom size required so contact us now with your needs and we will be happy to assist. Also ideal for use use with posts/poles, these are an ideal solution that simply slot over the top of the pole to provide a clean look, feel and finish. Plastic End Caps in this form are known for their ability to blank off, leaving a premium finish along-side a matching colour pole. These are made with a harder version of PVC which provides a longer lasting product that is designed specifically for outside uses, hence their properties against factors such as Acids/Alkali's.
Threaded Caps
Threaded Caps are made from a very durable and tough HDPE to cover external threads from damage or access. As popular forms of plastic end caps for tubes, these are easily able to be installed by simply gripping the ergonomic head and screwing in to your desired position, enabling a quick and efficient protection process in comparison to other solutions. Threaded Covers as they are also known, tend to be manufactured in highly visible colours such as Red, Pink and Green so that people can clearly see where they are located, hence their wide use during transportation or protection where the product/object would be prepared using these kinds of caps. These simply screw onto a thread to cover and protect it, all the while providing a seamless finish that can blend in with your appliance or object. These plastic caps can be used during transportation over their rubber end caps counter-parts, or when being painted, blasted or baked. If you would like advice with these kind of products, whether you need information on installation or efficiency then please feel free to get in touch. Alternatively, please feel free to view our related guides and resources which may help you gather an understanding.
Threaded Sealing Caps
Threaded Sealing Caps are great for protecting threads from the ingress of dirt or moisture. They are made from an LDPE with a neoprene or commercial rubber disc which is secure within the cap to make a good seal. They also have a head which can be tightened using your hand. These are specialist plastic end caps that are equipped with a rubber o-ring which provides all the benefit of a rubber end caps, with the strength of a plastic one. These simply screw onto a thread to provide instant sealing benefits as well as excellent all round thread protection, the ergonomic head also promotes easy screwing which is excellent when used multiple times. Used instead of rubber caps or plastic covers to provide a tight seal, these can work out a lot more cost effective over a long-term, enabling a buffer stock to be formed which enables you to take them whenever you require. These are one of the only Plastic End Caps that we offer that have sealing properties, working to blank off and fully seal an application, whether it contains liquid or gas.
Tapered Caps
Tapered Caps are made from a durable LDPE with a flange for ease of installation/removal, they are widely used as plastic end caps, however their usage is truly unlimited. These Tapered Plastic Covers are a form of plastic cap that has been made so that they can fit a range of diameters and are great for protection over a huge range of applications. Tapered Caps can also be used as a Tapered Plug by turning them around, leaving you with a multi purpose reversible part/component than can be used across multiple applications. As standard these tapered covers come in a strong red, this allows them to easily be seen and differentiated by which makes them indifferent to rubber end caps which can also come in a Red finish, along with many other colours. Plastic End Caps in a tapered form can easily be used to cap off and plug a hole, preventing any ingress or unnecessary issues coming up further down the line when the application has been in use for a while.
Silicone Cone Caps
Silicone Cone Caps are a highly advanced and extremely useful product being able to withstand temperatures up to 315°C. Cone Caps are perfect for use while Powder Coating, Shot Blasting, Anodizing and Protecting, adding another barrier between your desired application and your powder or coating. Silicone rubber is a very durable material being able to withstand a large number of production runs and conditions. Rubber End Caps have a tapered inside being able to fit a range of different sizes and with a flange around the top are easy to install/remove whilst providing excellent coverage, something which many other masking products wouldn't be able to provide from one single piece.
Rebar Safety Caps
These Rebar caps are one of our most popular Scaffold supplies that we offer, predominately used in the Scaffold and Construction Industries for protecting exposed studs/poles and are a highly regarded form of plastic end caps. With a wider flange top and highly visible colours these fit over a range of different sized studs/poles to soften and spread the impact. Safety Caps are a form of plastic cover and are made from a highly durable and tough wearing LDPE which can withstand a range of temperatures and is UV Stable. They are also widely known as Mushroom caps due to their shape which resembles a mushroom. Being one of our most popular forms of plastic cap that we offer, these are stocked in a number of industry standard sizes to help prevent sizing errors and to ensure they fit the rebar and scaffold pole ends properly with a solid fitting. They are a form of rebar insert that have been made to fit perfectly over exposed rebar/impalement bars on a construction or building site, making these a widely sought after specialist part. If you would like advice with these or anything else please contact us on 01233 713581 These are a widely used form of Scaffolding equipment and Scaffold protection solution as they are extremely easy to use, install and fit, simply sitting on top of the rebar not requiring any additional fastening or adhesive.
Pull Tab Caps
Pull Tab Rubber End Caps are made from a flexible PVC and are an ideal protection solution due to their 'Pull' tab which allows for quick, efficient removal. We stock these Rubber Caps in both Black and Red, so suit a variety of different thread sizes. PVC is a durable material that has an excellent overall resistance profile, that includes some heat resistance, acid resistance and even more, hence its wide usage across a number of products and industries. We keep stock of these in a number of styles and colours, include black and dark red which allows you a good level of differentiation, especially when used for masking or covering purposes (ie thread protection). Often used alongside pole or tube end caps, these are ideal for covering during transportation to act as a buffer to prevent general damage and to reduce shock. PVC is a popular choice over Plastic End Caps due to its flexibility, working to cover a few diameters rather than a single one which Plastic usually works for. With links to their standard PVC versions, these Pull Tab variants are perfect for temporary replacement Plastic Caps, working to cover and protect the application that you use them with. Due to the high friction properties that PVC can provide, no adhesives, fixings or fasteners are required for their installation.
Driveshaft Caps
Driveshaft Protection Caps are made using a durable LDPE and are perfect for protection/masking of the driveshaft and surrounding bearings. Driveshaft Protectors are similar to some of our other plastic and rubber caps including our pole ends or 'pole covers'. Often regarded as specialist plastic end cap, they come in a huge range of sizes and a very cost effective part for covering a vehicles drive-shaft area. These simply place on to the top of the driveshaft to provide instant protection and coverage, each also comes with slight ribs to prevent it from easily falling off when being covered, transported etc. These Driveshaft protection caps are available in two different styles to suit your specific needs, as can be seen below (in both rubber and plastic end caps styles). Rarely referred to as covering caps due to their uses, these come in a bright or fluorescent Yellow coloured finish from standard, depending on the size chosen. This enables them to be seen easily, perfect for a quick removal once the job at hand has been completed.
Grease Nipple Caps
Grease Nipple Caps are manufactured for the sole purpose of protecting Grease Nipples. They are plastic caps that are used to prevent the tip of a grease applicator being blocked with dirt and dust. These are an extremely cost effective solution and are available in industry standard nipple sizing, making it even easier for you to size up your grease nipple. These are made from a resistant plastic and therefore have excellent properties against factors such as erosion, wearing and simple weathering factors that can be a factor. As one of the smallest forms of plastic end caps that we have on offer, these are made specifically for covering exposed grease nipples, preventing unnecessary over-flow and wastage.
Heatshrink Caps
These Heatshrink caps are a popular type of plastic end cap due to their excellent shrinking properties, enabling them to shrink down to a specific ratio. Available in a number of different shrink ratios these caps or 'plastic covers' have a number of common uses, from repairing frayed or damaged cables all the way to acting as a cover over a tube end or post end. Made from a Polyolefin plastic these Heatshrink caps are relatively cost effective for the features they provide as a versatile and extremely useful component in anyone's arsenal. Shaped with a slightly conical head these are easily able to be placed over wires or tubes and are a popular alternative to rubber end caps requiring almost none or little fixings/adhesives. Also generally referred to as Rubber Caps due to their flexible properties, these are some of the most versatile yet costly products that we offer leaving them mainly for uses inside the Electronics industry where they are used to protect and pro-long the life of cables or wires. As one of our most popular Polyolefin Heat Shrink products, these are perfect for capping the end of wires and cables as they can simply be placed over the end before being heated, coming in a range of sizes these are a widely used Heatshrink product that are often employed over sleeving or tubing due to its sheer ease of use.
Eze Caps
Our Eze Caps are available in two different materials, these being an EPDM rubber and Silicone rubber. These specialist Caps work excellently as a masking rubber end cap and can simply be placed over an application for it to be masked off. Each version has an array of excellent resistance properties with a range of acid resistance and heat resistance making them ideal for uses when coating, blasting etc. These come from standard with a ribbed interior, allowing for an easy, solid coverage that prevents it from falling off during processing.
Pipe Caps
We provide a huge range of Pipe Caps in standard sizes to fit a range from 37mm to over 1.5m. These come in a flexible PE in yellow as standard. The plastic cap itself features a rib on the inside to help hold itself on firmly and are an extremely cost effective and durable solution for transporting or storing. These are an excellent pipe protection solution that simply slot over the flange or pipe to provide instant pipe & flange covering benefits such as shock absorption and vibration dampening. Pipe protection is an essential process as it pro-longs the life of the Pipe or Flange as well as provides it with excellent protection, preventing it from being unnecessarily damaged. Aswell as their use with flanges, these can be used as tube end caps by covering the end of the tube, preventing it from becoming damaged. As one of the most flexible plastic end caps that we offer, these are produced for use with pipes and their flanges, fitting around it to protect and conceal.

Our selection of Plastic End Caps, Rubber End Caps, and Plastic Covers includes many different products. Each of these are suited towards all kinds of industrial and consumer employments. Manufactured from high-performance materials such as Nylon, Silicone, and HDPE, our End Caps are popular for may uses, including the covering of box sections, round tubing, and even metal posts.

Each End Cap comes in a number of industry standard sizes. Our caps are also geared towards uses such as finishing, masking, protecting, and sealing, hence the large number of options given. Also referred to as 'Covers', these are common-place within industries that deal with consumer goods. For example, within the automotive industry. This is where End Caps would be required to finish off any exposed screws, nut/bolt heads or manufacturing defects.

We stock these Plastic and Rubber End Caps in an array of basic and advanced variants. This selection includes caps produced for high temperature masking, capping, and covering. To see our sizing, pricing, and free sample information, please click through to your required subcategory above.

We are able to manipulate all current end cap variations to your requirements where necessary. 

Why use our selection of Plastic and Rubber End Caps?

  • Made with carefully selected high grade materials including LDPE, HDPE, EPDM, and Silicone
  • Large variety of products made for capping, covering, and finishing uses
  • Range of cost effective and inexpensive solutions
  • Best sizing and pricing selection in the UK
Each Cap or Cover that we offer has a wide variety of uses, some of the most common being:
  • For masking off an object during powder coating or anodising: Rubber Eze Caps
  • For protecting and covering exposed hex head nuts or bolts: Domed Nut Caps
  • For finishing or adding externally threaded products to a tube: Tube End Caps

Looking for a custom style or variant for your use? Call one of our experts on 01233 713 581

Click here for our guide on how to measure and install End Caps.

What Delivery Services are available?
We offer free 3-5 Day Delivery for orders over £20 and a £2.85 2nd Class delivery service for orders between £10-£20. 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.

Is there a minimum order value?
Please note that there is a minimum order value of £10 through our website (inclusive of VAT).

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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Vital Parts UK, Unit 17 Palace Industrial Estate, Bircholt Road, Maidstone, Maidstone, ME15 9XU