plastic caps and plugs


Thredgards are a UK based manufacturer of a wide range of plastic caps and plugs & custom injection mouldings. We cover various industries such as automotive, packaging, food packaging, oil & gas, engineering, hydraulics, construction and leisure. 

In order to achieve this we are certified to the following standards by Alcumus Isoqar: 

ISO 9001:2015

ISO 14001:2015 

BRC Food Packaging Grade AA  

Our passion for protecting the environment means our products are 100% recyclable and reusable. They can also be made in biodegradable material.

Our product range of caps and plugs is competitively priced, high quality and can often be delivered to you the next day. 

We were incorporated on 31st October 1962 and for over 55 years now we have built up an expertise within the company that is respected and valued throughout the industry. As a result, some of our customers have been with us for over 35 years.

Please visit our plastic caps and plugs shop to see what products would suit your requirements.

We pride ourselves on our quality of service and speed of delivery with customers being able to deal with the same people each time they call. Most products can be dispatched the same day to arrive next day should this be required.

Regardless of whether you are a small, medium or global company you will get a professional level of customer service from us.

With nearly 60 years combined service with Thredgards in the managerial team as well as over 50 years experience in the industry, we can also help you in the early stages of design to enable your business to provide a turnkey solution for your customers. We also can send you free samples of any of our products.