Expanders are used to secure castors to your products, If you have an application which requires castors and has tube or box section legs, Expanders are a great method of attaching castors to the bottom. Insert an Expander into the leg of the application then simply tighten an Allen head bolt under the castor so the expander then expands and tightens against the outer wall, holding the castor in place.

Part of the Gold Series from Coldene Castors Range

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