Heavy Duty Smooth Rolling Casters Set Of 4, 4 Inch Polyurethane On Cast Iron Wheels With Double Ball Bearings And 1.25 Inch Stem, 1800 Lb Capacity For Carts That Crush Heavy Loads Without A Sweat

Four piece poly caster set for heavy tool room carts
✔️ Cast iron cores with poly wheels move heavy carts smoothly on cement

This pack of 4 replacement casters swaps out flat wheels on utility carts, rolling racks, and shop benches. The 1 25 inch round stems bolt straight onto standard bases and keep your heavy gear gliding through cramped warehouses, auto shops, and storage bays without dragging.

✅ Four unit bundle carries 1800 pounds across concrete floors
✅ Tough poly shell shields ground while locking down iron weight
✅ Treadball bearing tracks cut drag so plates roll without binding
✅ Full turn pivot mounts steer carts quick through narrow aisles

💡 How do polyurethane steel core wheels handle rough shop conditions differently?
Most folks swap out flat tires when the grind gets harsh, but a handy upgrade saves trips.
- Poly tread grips clean concrete without tracking debris everywhere
- Ball bearing pockets slide dirt away so plates roll true every time
- Swivel stems twist freely for quick lane changes on crowded flooring
- Hard metal rings stand up to dropped toolboxes without bending out

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