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Square Tube Fittings
Square Tube Fitting are expander fitting that fit inside a square hollow tube. When the threaded stem is screwed in, the expander expands and is pressed firmly against the tube inner wall.To select the right expander fitting you need to know the inside diameter of your tube. For example, if the inside di...ameter is 22mm, simply select a round expander that expands from 21.5mm to 24mm. Read More
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In StockExpander Fitting, Square Tube, 21.5mm to 24mm (WR4721.5/24)
£3.04Square Expander Fitting to suit square tube with i... Read Morenternal diameter from 21.5mm to 24mm. 10mm bolt included. If fitting through a 12mm single bolt hole castor, please purchase ACZ500 to reduce the Bolt Hole to 10mm. -
In StockExpander Fitting, Square Tube, 32mm to 35mm (WR4732/35)
£6.86Square Expander Fitting to suit square tube with i... Read Morenternal diameter from 32mm to 35mm. 10mm bolt included. If fitting through a 12mm single bolt hole castor, please purchase ACZ500 to reduce the Bolt Hole to 10mm. -
In Stock
Expander Fitting, Square Tube, 19mm to 21.5mm (WR4719/21.5)
£2.87Square Expander Fitting to suit square tube with i... Read Morenternal diameter from 19mm to 21.5mm. 10mm bolt included. If fitting through a 12mm single bolt hole castor, please purchase ACZ500 to reduce the Bolt Hole to 10mm. -
In Stock
Expander Fitting, Square Tube, 36mm to 40mm (WR4736/40)
£7.21Square Expander Fitting to suit square tube with i... Read Morenternal diameter from 36mm to 40mm. 10mm bolt included. If fitting through a 12mm single bolt hole castor, please purchase ACZ500 to reduce the Bolt Hole to 10mm. -
In Stock
Expander Fitting, Square Tube, 27mm to 30mm (WR4727/30)
£4.07Square Expander Fitting to suit square tube with i... Read Morenternal diameter from 27mm to 30mm. 10mm bolt included. If fitting through a 12mm single bolt hole castor, please purchase ACZ500 to reduce the Bolt Hole to 10mm. -
In Stock
Expander Fitting, Square Tube, 24mm to 27mm (WR4724/27)
£3.22Square Expander Fitting to suit square tube with i... Read Morenternal diameter from 24mm to 27mm. 10mm bolt included. If fitting through a 12mm single bolt hole castor, please purchase ACZ500 to reduce the Bolt Hole to 10mm.
