Choose from a large selection of 6 inch heavy duty casters for all applications. Service Caster offers casters with 6" wheels in tread materials certain to match your needs. With heavy duty fork construction and high capacity wheel options, these casters are ideal for industrial environments. Casters assembled and shipped from our West Reading, PA office/warehouse complex. For more bearing options, and custom design casters, please call our onsite sales staff. We are here to help!