Home Secure Jack Nut Screw Anchor With Machine Screw

SKU: HS4321
  • £0.60
Item in Stock | Usually dispatched within 24 hours
£0.60 £0.55 £0.50
Jack Nuts are recommened for use on hollow uPVC frames. Can you be used to install many products such as sash jammers and extra security restrictors.
When a uPVC frame has no steel re-enforcing there is nothing for a standard screw to grip on to. To check if your frame has steel re-enforcing you will need to drill into it and feel the tension or lack of. 
When installling our jack nuts we recommend using a 9.5mm drill bit. Once you have drilled a hole into the frame using this bit, you can then tap the jack nut into place. 
Place the product you are installing onto the frame and attach by drilling the machine screw supplied into the jack nut through the fixing hole of the product. The jack nut will then split apart creating a secure fixing inside the uPVC frame. 
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For support guides and advice relating to our products you can visit the Home Secure Blog

Alternatively you can Contact Us with any questions you may have

How much is delivery?

UK Delivery is FREE on all items no matter how many you order!

When will my order be dispatched?

Orders before 3pm (Monday to Friday) are usually dispatched same day but may take up to 24 hours

When will I receive my item?

We use Royal Mail for small parcels and next day delivery via courier for larger orders. 

Most of our orders arrive in 1-2 working days. 

Special order items such as keyed alike locks will take longer. Please refer to product description.

For further information - View our Delivery & Returns Page


To make a payment with Home Secure we accept the following methods:

  • Credit or Debit Cards (All major cards accepted)
  • Paypal (No account needed)
  • Amazon Payments (Amazon account needed)

How to place an online order with Home Secure:

Simply search our website for the products you require, add them to your basket and then proceed to checkout.

You will then need to provide us with your billing and shipping details.

Once we have your information you will be presented with the payment options outlined above.

On completion of payment you will then receive an email confirming your order with us. 


Payment fraud is always a concern which is why we meet the highest possible level of Payment Card Industry Security Standards.

The standards, usually referred to as PCI DSS, are a series of strict technical and operational requirements.

Our system been independently audited and accredited with PCI DSS Tier 1 Certification compliance.

On top of this we also offer up to £1000 purchase protection under the Google Trusted Stores Programme. 

No matter what happens your details are safe with Home Secure.