NON-MARKING RUBBER WHEELS, POLYPROPYLENE CENTRE, SWIVEL BRACKET WITH BOLT HOLE TYPE NL WITH FRONT LOCK
Castors which have a bolt hole could be mounted on to a trolley either by means of a bolt, or an expansion fitting. While the hole has a 12 mm diameter, it could also take an adapter which reduces it to 8 or 10mm, according to requirements.
