Square tube adaptor for Castors
Our best selling castor accessory, these square thread for castors are tube adaptors to enable castors to be securely attached into hollow square tubular legs. Make sure you measure the internal diameter of your tube!
About Our Square Adaptors for attaching castors into tube
A range of Square Adaptors for attaching castors into square tubing. We offer 5 different internal tube diameter options - so measure your internal tube diameter carefully! These adaptors give castors a square thread and expand whilst being fitted to give you a secure fit. Ideal for hollow square tubing with 5 sizes to choose from.