Heavy Duty 4-Inch Fixed Caster Wheel with Impact Resistant Cast Nylon Core for Industrial Carts and Equipment

Heavy Duty 4-Inch Fixed Caster Wheel with Impact Resistant Cast Nylon Core for Industrial Carts and Equipment. Impact Resistant Core: Solid cast nylon core designed for high impact, shock loading, and rough terrain. High Load Capacity: Maximum load up to 900kg for the 4-inch model, with larger sizes up to 1200kg. Durable Steel Construction: Q235 steel bracket with 10mm thickness and zinc-plated surface treatment. Smooth Ball Bearing: Ball bearing design ensures reliable rolling mechanism and smooth movement. Customizable Sizes: Solid cast nylon wheels available in customizable sizes from 4 to 8 inches. OEM and ODM Support: Full OEM and ODM services including custom logo printing on bags. ISO 9001 Certified: ISO 9001:2015 certified quality management system with rigorous testing. Fast Delivery: General delivery within 15 days, depending on order quantity.