... or fixed plate, stem, threaded stem, bolt holeRubber, hard rubber, elastic rubber, plastic, nylon, cast iron wheels are availableApplications: factory ... products go through 5,000 brake test and load capacity test conforms to the caster standard EN 12531.And they ... more than 50 series, 1000 types for customers’ choices and wide different usage, such as, for industrial machine, medical facility ...