Expander fittings for swivel castors

Swivel castors with a "fixing hole" or "bolt hole fitting" can be supplied with expanders for mounting in round tube or square tube. An expander fitting consists of a long Allen screw - usually M10 x 30 mm, M10 x 80 mm or M12 x 80 mm), complete with lower and upper cone and rubber or plastic expander.

Mechanism: by tightening the Allen bolt under the fork swivel head, the expander expands and clamps into the tube/sleeve. The specified size must match the inner size of the tube/sleeve.

Choose type of expander:

  1. for square tube with m10 socket bolt

  2. for square tube with m12 socket-head screw

  3. for round tube with M10 Allen bolt

  4. for round tube with m12 Allen bolt

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