40mm Mini D Clip

Manufactured from 20mm x 1.5mm grade 304 stainless steel.

Supplied with 2x M8 x 25mm square head stainless steel bolts, nuts and washers.

Suitable for all types of sign channel extrusion.

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Stainless Steel Sign Clamps

We stock various sizes of Mini D Clips, also known as Railing Clamps.

Manufactured from 20mm x 1.5mm grade 304 stainless steel and supplied complete with 2x M8 x 25mm square head stainless steel bolts, nuts and washers. 















Signfix Code


13 mm 0.5" 41 mm 1.6" 2 Bolt   MDC13
16 mm 0.6 50 mm 2" 2 Bolt    MDC16
19 mm 0.75" 60 mm 2.4" 2 Bolt   MDC19
25 mm 1" 79 mm 3.1" 2 Bolt   MDC25
32 mm 1.25" 100 mm 3.9" 2 Bolt   MDC32
40 mm 1.6" 126 mm 5" 2 Bolt   MDC40


Not sure what size of clip you need ?  Click Here for information on measuring the post

These sign clamps are suitable for all types of sign channel extrusion.

  • Stainless Steel
  • Complete with M8 Stainless nuts, bolts & washers


Need extra Stainless Nuts & bolts ?  Click here 


Do you need Panels cut to size ?

We can supply Sign Panels cut to size in a variety of materials such as 11swg (3mm) Aluminium (grey back or mill finish) Aluminium Composite in a range of colours and a range of plastics. Please contact us on 01524 841726 or email sales@tradesignz.com for a quote on cut panels complete with channel & fixings.

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Shipping costs

  • Delivery charges vary based on the product, size and delivery address.
  • Estimated delivery charges for this item.
    UK - £5.95
  • For an accurate delivery charge, please enter the delivery postcode in the cart or at the checkout.

Shipping processing time

  • All orders for stock items are generally processed within 1-2 days working days.
  • Orders for special colours or more bespoke items will take longer. We usually have these processed within 10 days working days, but it may take longer depending on the specifications.
  • If you have a particular delivery deadline, please call the office on 01524 841726 to discuss your needs.
  • If we are experiencing a high volume of orders, shipments may be delayed. Please allow additional time for your delivery. If there will be a significant delay in any shipment of your order, we will contact you via email or telephone.

Shipment Confirmation & Order Tracking

  • As soon as your order is packed & ready for the courier, we will email your invoice with the Carrier & Tracking Information.


  • All deliveries must be examined - before being signed for.
  • Any damage or shortage must be noted with your signature and to us within 24 hours, otherwise the carriers will deny responsibility, and we will be unable to make a claim on your behalf. 
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