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Nut Caps

Variations Of Nut Caps

Domed Nut & Bolt Caps
our nut & bolt caps are an excellent choice for the covering and protection of exposed nuts or bolts. Also known as plastic nut covers or even plastic bolt covers, these caps have a domed hex head which allows them to be screwed onto the head of a nut or bolt to provide instant covering and protection benefits, preventing the bolt from being tampered with. Hex nut covers are a widely used cost effective solution inside a multitude of industries, being a number one solution for nut and bolt protection. These are a form of plastic fixings or plastic panel fixings that is able to easily be placed over the nut head, providing protection and many other benefits.
Locking Nut Caps
These 'locking' versions of the standard Plastic Nut Covers are suggested for many uses where tampering would be an issue, preventing the bolts or nuts from becoming ineffective and potentially causing damage. It is for this reason that they are so commonly used with playgrounds or school equipment, meeting and adhering to all health and safety guidelines which frequently arise.

Our Nut & Bolt Caps, or simply Nut Covers as they are also known, are a massively popular product for us. This is thanks to their range of uses within many different industries. We manufacture these products using a high quality LDPE Plastic, produced specifically to fit all industry standard BSP / Metric Nut & Bolt sizes from M4 - M24.

Nut Caps / Bolt Caps are a widely used product for the protection and covering of exposed bolt or nut heads, providing a clean and professional finish once in place. This also provides security against tampering or loosening.

These Plastic Nut Covers come in a wide variety of different sizes and colours to suit, whether you need a discrete black solution, or a luminous one.

Please note that we offer both locking and standard domed version of these covers, as seen above.

Benefits Of Using Our Caps:

  • Manufactured from high quality LDPE Plastic
  • Protects the head of the Nut or Bolt
  • Domed head with a hex base
  • Available in Black, White, and Grey
Need specific Nut Caps for your application? 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.


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