Threaded Casters Products DescriptionKindly check with all type furniture wheels,Website:http://www.dc-casters.com, the top flat plate can all be changed to Threaded type, screw with flat plate, these kind of replacement wheels are widely used in different kinds of furniture, equipments manufacturing, warehouse and logistic and so on.Stem Wheels with different threaded plates can meet clients different requirement.Threaded Casters Size list are from 1 Inch to 16 Inch type, medium size threaded casters are 3 Inch to 5 Inch, which specification please kindly find same series products for reference.