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Nut Caps

Our Nut & Bolt Caps, or simply Nut Covers as they are also known, are a massively popular product for us thanks to their wide use inside many different industries. We manufacture these Plastic Nut Covers 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, as well as providing 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. For all variations kept in stock from standard, please see the listings offered below before clicking through to see relevant sizing or pricing. 

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

Benefits Of Using Our Nut & Bolt Caps
  • Manufactured from high quality LDPE Plastic
  • Protects the head of the Nut / Bolt
  • Domed head with a hex base
  • Available in Black, White & Grey
Need specific Nut Caps for your application? Call us today on 01233 713 581

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.

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
Bulk discounts available on all products
Free sampling available on most products
Excellent, friendly customer support on 01233 713581

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