{"product_id":"square-expanding-tube-adaptor-20-22mm-for-castors","title":"20-22mm Square Expanding Tube Adaptor for Bolt Hole Castors Black Plastic with Threaded Stud","description":"\u003cdiv style=\"max-width: 900px; margin: 0 auto; font-family: Georgia, 'Times New Roman', serif; color: #1f1f1f; background: #faf8f4; padding: 40px 32px; line-height: 1.7;\"\u003e\n\u003cp style=\"font-family: Arial, Helvetica, sans-serif; font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: #9a7b4f; margin: 0 0 8px;\"\u003eCastor Accessories\u003c\/p\u003e\n\u003ch2 style=\"font-size: 32px; font-weight: normal; margin: 0 0 12px; line-height: 1.25;\"\u003e20-22mm Square Expanding Tube Adaptor for Castors\u003c\/h2\u003e\n\u003cdiv style=\"width: 60px; height: 3px; background: #9a7b4f; margin: 0 0 24px;\"\u003e\u003c\/div\u003e\n\u003cp style=\"font-size: 18px; margin: 0 0 16px;\"\u003eThis square expanding tube adaptor lets you fit a single bolt hole castor into the open end of a square tube leg with an internal size of 20mm to 22mm. Push it into the tube, tighten the stud and the ribbed body expands to grip the inside walls firmly. The threaded stud left at the bottom then takes your bolt hole castor, turning a plain tube-framed trolley, table, rack or workbench into a mobile one.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; color: #444; margin: 0 0 32px;\"\u003eIf you are looking for a square tube castor insert, a 20mm to 22mm square tube adaptor, an expanding castor fitting for box section legs or a simple way to add wheels to square tube furniture, this adaptor is a quick, tidy and reliable solution.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: normal; border-bottom: 1px solid #d9cfbf; padding-bottom: 8px; margin: 0 0 16px;\"\u003eWhy Choose This Adaptor\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0 0 32px;\"\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #ece5d8;\"\u003e✓ \u003cstrong\u003eExpanding grip\u003c\/strong\u003e locks firmly inside the tube as the stud is tightened, with no welding or drilling.\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #ece5d8;\"\u003e✓ \u003cstrong\u003eSuits square tube\u003c\/strong\u003e with a 20mm to 22mm internal size.\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #ece5d8;\"\u003e✓ \u003cstrong\u003eThreaded stud\u003c\/strong\u003e for fitting a single bolt hole castor.\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0; border-bottom: 1px solid #ece5d8;\"\u003e✓ \u003cstrong\u003eRibbed black plastic body\u003c\/strong\u003e with grey expanding cones for a secure, even fit.\u003c\/li\u003e\n\u003cli style=\"padding: 8px 0;\"\u003e✓ \u003cstrong\u003eSupplied complete\u003c\/strong\u003e and ready to fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: normal; border-bottom: 1px solid #d9cfbf; padding-bottom: 8px; margin: 0 0 16px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; font-size: 14px; margin: 0 0 12px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background: #1f1f1f; color: #fff; text-align: left; padding: 10px 14px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background: #1f1f1f; color: #fff; text-align: left; padding: 10px 14px;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #fcfbf8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eSquare expanding tube adaptor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eTube Shape\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fcfbf8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eSuits Tube Internal Size\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003e20mm to 22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eFixing Method\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eExpands inside the tube when the stud is tightened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fcfbf8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eCastor Fixing\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eThreaded stud for a single bolt hole castor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eRibbed plastic with steel stud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fcfbf8;\"\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eColour\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #ece5d8;\"\u003eBlack body with grey cones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eSupplied As\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eComplete adaptor, ready to fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-family: Arial, Helvetica, sans-serif; font-size: 13px; color: #666; margin: 0 0 32px;\"\u003e* Castor sold separately. Measure the inside of your square tube before ordering: this adaptor suits an internal size of 20mm to 22mm.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: normal; border-bottom: 1px solid #d9cfbf; padding-bottom: 8px; margin: 0 0 16px;\"\u003eWhere It Works Best\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 32px;\"\u003eThis adaptor is ideal for square tube warehouse and stock trolleys, catering and serving trolleys, mobile workbenches, shop display stands, clothes rails and box-section furniture. It is a neat way to add castors to a frame that has open square tube legs and no mounting plate.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: normal; border-bottom: 1px solid #d9cfbf; padding-bottom: 8px; margin: 0 0 16px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 4px;\"\u003e\u003cstrong\u003eHow does an expanding tube adaptor work?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003ePush the adaptor into the open end of the tube, then tighten the stud. This draws the cones together and pushes the ribbed body outwards so it grips the inside of the tube firmly.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 4px;\"\u003e\u003cstrong\u003eWhat size tube does it fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eIt suits square tube with an internal size of 20mm to 22mm. Measure across the inside of the tube, not the outside, before ordering.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 4px;\"\u003e\u003cstrong\u003eIs a castor included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eNo, the castor is sold separately. The adaptor is designed to take a single bolt hole castor on its threaded stud.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 4px;\"\u003e\u003cstrong\u003eCan I use it on round tube?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 16px;\"\u003eNo, this version is shaped for square tube. For round tube legs, choose a round tube adaptor in the matching size.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 4px;\"\u003e\u003cstrong\u003eDo I need to drill or weld the tube?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eNo. The adaptor grips inside the tube by expansion, so no drilling or welding is needed as long as the tube end is clean and open.\u003c\/p\u003e\n\u003c\/div\u003e\u003cp style=\"max-width: 900px; margin: 16px auto 0; font-family: Arial, Helvetica, sans-serif; font-size: 14px; color: #555;\"\u003eThis product does not have free shipping.\u003c\/p\u003e","brand":"castorsuk.co.uk","offers":[{"title":"Default Title","offer_id":57263060320636,"sku":"CUK-ADAPT-SQ-20-22","price":17.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/7003\/8451\/files\/Square-Expanding-Tube-Adaptor-for-Castors.jpg?v=1787652808","url":"https:\/\/castorsuk.co.uk\/products\/square-expanding-tube-adaptor-20-22mm-for-castors","provider":"castorsuk.co.uk","version":"1.0","type":"link"}