Streamline the mobility of your large mobile hoists and heavy-duty waste receptacles with our 4 Inch Bolt Hole Casters. Engineered for extreme industrial environments, this massive hollow kingpin accepts heavy-gauge through-bolts for a rock-solid connection on thick tubular chassis, while the 4-inch wheel easily plows through factory debris without the spatial constraints of a traditional mounting plate. Can’t find what you need? Contact us for guidance.