C22. Castor Expanders – Expanding Adaptors. Inserts for fitting Castors to Round or Square Tube.

Fix castors to hollow tube either round or square section, ideal for work trolleys, mobile benches and laboratory equipment, shop displays etc

Use with single bolt castors – bolt passes underneath castor head, when the bolt is tightened the expanding cone section is pushed out to grip the inside of the tube

Choose from four sizes of expansion range to suit either round or square section tube

Expansion range min-max (inside dimension of tube):

• 19mm to 21.5mm
• 21.5mm to 24mm
• 24mm to 27mm
• 27mm to 30mm

All sizes available for either 10mm or 12mm single bolt hole fixing castors

Prices and details shown on the dimension/pricing tab are for purchasing expanders separately. For your convenience we also have matched up our light duty and institutional castors complete with expanders – use the Related Products links below.

See specification and dimensions/pricing >

Download product sheet PDF >

Choose options for Castor Expanding Adaptors and place order

Click on the buttons below to select tube shape, range and diameter. This displays the price for that combination and you can then select quantity required and click on the green Add to Order button to add your selection to the shopping basket.