Our un-plated castor fixing plate is made for you to weld / attach to your equipment to give you a suitable base to attach your castor.
The plate measures 135x110mm and is 3mm thick. It comes with 4 horizontally slotted bolt fixing holes with 105mm x 80mm bolt hole centres. Each hole measures 11mm x 15mm and suits 10mm bolts.
You can purchase the fixing bolts here