Engineered for custom heavy machinery, thick-based equipment, and rugged tubular frames, our 101-150 kg (222-330 lbs) bolt hole casters deliver high-capacity through-bolt fastening. Featuring a heavy-gauge hollow kingpin designed to resist crushing under demanding loads, they allow secure custom bolt installation. Built strictly in sizes of 2 inches and above with impact-resistant, non-marking treads, they ensure smooth mobility and reliable locking systems. Can’t find what you need? Contact us for guidance.