Threaded Spring Inserts
Our Spring Threaded Inserts & Steel Tube Connectors are manufactured to meet strict requirements and performance levels, produced from a durable Spring Steel. These inserts are recommended to prevent the need for advanced and/or expensive drilling methods, including flow-drilling, where a thread or object is added to a tube.
Suited towards metal tubes or box sections, these Spring Inserts are able to cope with a large amount of weight and tension. The 'spring' type ribs expand even further as the weight is increased. Installed by hand using a mallet or hammer, these require a firm hit for a long term fitting. These products offer ideal properties for a heavy duty piece of equipment or machinery. We also offer Steel Tube Connectors, which are suggested for the connection of two round tubes, joined by a male thread or component.
Each of these Spring Threaded Inserts is available in a number of thread sizes and diameters as displayed above. This includes options suited towards Round & Square type tubes. For all currently available sizing or style options that we have available, or to request a free sample to try before you purchase, please see the products displayed above.
These Spring versions are recommended over plastic options for use with metal tubes or box sections.
Benefits Of Using Our Spring Steel Inserts & Steel Threaded Tube Connectors:
- Manufactured from an extremely durable and high quality Spring Steel
- Produced to meet high standards and specifications
- Easily installed to your metal tube or section
- Prevents the need for flow drilling
Each Insert & Tube Connector has a number of common uses. Some of these include:
- Excellent as an alternative method for threading tubes together: Steel Threaded Tube Connectors
- Ideal for use with square box sections to joint onto round tubes: Spring Steel Square
- Optimal alternative method for adding a thread to a tube: Spring Steel Round
Can't find the insert or tube connector that you're looking for? Give us a call on 01233 713 581

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Frequently Asked Questions
How fast can I get my order?
Need your parts tomorrow? Our rapid same day dispatch has got you covered! Simply place your order before 4pm Mon-Thurs or 2pm Friday and select our Next Day Delivery service in the shopping cart. We also offer Guaranteed AM delivery when required, in addition to a Saturday delivery option.
If you don't mind waiting, we have a Free delivery method for orders over £30, and an economic £4.85 2nd Class delivery for orders between £10-£30.
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 on Live Chat to discuss samples.
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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 view our rewards scheme page.
I am not sure what parts I need?
If you're unsure which 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 active on Live Chat during office hours. You can open this using the button in the bottom right corner of the website. Alternatively, you can write to us using our contact form.
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).
If you're new to our website you may want to check out our frequently asked questions section for answers to common customer queries.
What do these abbrievations mean?
While browsing the website you may come across abbreviations used for material names that you are unfamiliar with. You can find an explanation for these in our material abbreviations guide.