Fixing socket for square tube of 21 mm to 23 mm
This socket is made up of a steel bolt with a diameter of 10 mm, a black nylon body, a conical piece, and a washer, also made of steel.
It is mainly used on castors with an bolt hole (with a central hole) for fixing in a tube by extending the socket. It will simplify the installation of your castors on each of your pieces of furniture.
Available in different sizes, to be chosen based on the inner diameter of your tube.
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