Engineered for extreme heavy-duty machinery, thick-based industrial frames, and rugged custom platforms, our 201-907 kg (443-2000 lbs) bolt hole casters deliver massive through-bolt fastening power. Featuring an exceptionally thick hollow kingpin designed to resist crushing under extreme operational weights, they provide secure, high-capacity custom installation. Built strictly in robust sizes of 2 inches and above with impact-resistant, non-marking treads, they ensure smooth mobility and dependable locking systems. Can’t find what you need? Contact us for guidance.