Stem type iron pu casters for industrial carts
Housing：
Solid steel welded construction,
zinc plated double ballrace swivel head,
dustproof seal heat treated ballrace,
hardened steel balls
Wheel:
Materials:iron rim vs PU
Bearing type:ball bearing
Feature :
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Cast iron PU caster wheels, easy moving and durable quality.
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Wildly use in industrial trolley.
