【HIGH QUALITY INDUSTRIAL CASTERS】：The Heavy duty casters are composed of a strong cast iron hub, galvanized steel wheels, and a zinc-plated yoke. Stable roller Bearing provide smooth rotation and excellent vibration resistance for smooth operation, while Zerk fittings simplify maintenance 【HEAVY DUTY CASTERS SIZE】: Heavy duty caster wheels 5 inch diameter, 2 inch width, top plate: 4"x 4-1/2", caster overall height: 6-5/8", with ¾” roller Bearing,and ½" ID spanner bushing. A set of 4 heavy-duty casters, each with a load capacity of up to 1000 lbs (4000 lbs / set) 【VERSATILE APPLICATIONS】: Casters set of 4 heavy duty widely applicable in forging factories and metal processing, manufacturing plants, laboratory apparatuses, material handling facilities, moving trolleys, glass manufacturing factories as well as maintenance carts, From -50°F to 600°F. It has proved to be a handy and trustworthy assistant in industrial manufacturing 【SAFE AND RELIABLE】: Steel caster wheels are engineered to deliver exceptional performance on various surfaces, including wood, tile, brick, stone, and concrete. The industrial-strength coating protects the wheels from wet conditions and harsh substances such as chemicals, oils, and grease 【BUILT TO LAST IN DEMANDING ENVIRONMENTS】: Featuring a semi-steel wheel and a super-strength cast iron core, our metal casters are engineered to withstand the harshest conditions. The reinforced wheel provides exceptional durability and long-lasting performance, making them an ideal choice for heavy-duty applications Introducing our premium Industrial Casters, designed to revolutionize your workspace with unmatched durability and strength. These Heavy Duty Casters are crafted from high-quality cast iron, ensuring they can effortlessly handle the toughest industrial environments. Whether you're equipping a workbench or upgrading your pallet trucks, our caster wheels are engineered to meet the highest standards of reliability and performance. With a remarkable load capacity of 6031 lbs, these heavy duty wheels are built to withstand the heaviest of loads, making them an indispensable asset for any industrial application. Experience the perfect blend of robustness and functionality with our Industrial Caster Wheels Heavy Duty, and transform the way you move heavy equipment and materials. Upgrade your workspace today with casters that are as tough as the tasks you perform!