Stem casters are simply a caster that has a stem on the top that allows the caster to secure to the bottom of equipment such as carts, office furniture, scaffolding, and racks. These casters are offered in multiple fastenings such as grip ring, grip neck, threaded, and expansion stems. Stem casters are typically used to add casters on equipment where there is not enough room on the equipment’s mounting surface to attach a plate caster’s mounting plate, such as equipment with tubular frames and legs. Each caster should be installed so that its upper raceway is flush against the surface it’s being mounted to in order to achieve the maximum load capacity for the caster.
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