Applications: Easy to move and more labor-saving
Using casters can reduce the work force and increase the work efficiency,The right caster should be chosen by the manner of application ,condition and request (for example facility,labour saving,durability).The factors must be considered as follows:
Plate:the fitted plate must be leveled,hard and firm.
Rigid:the direction of two wheels must be accordant and paralle.
Threaded:A spring shim should be fitted together to avoid loosing.