Designed above industry standars, feature full double ball heat treated raceways, zinc plating, fit for heavy duty equipment and industrial applications, 4",5",6" and 8" are available, all models are available with side brake and total brake.Our heavy duty caster wheels range caters to load requirements of up to 500kg. Discover robust and durable heavy-duty castors engineered with performance in mind. Order your heavy duty industrial wheels for small trolleys, carts and heavy duty industrial equipment online at Dajin caster. Click to find what you need today.