Key benefits Durable, hardness carbon steel construction provides strong loadbearing capacity for household sliding doors, wardrobes, large iron doors, curtains, automation equipment pulley components, and factory track pulleys. Precision machining and tight forging produce burr, smooth surfaces with uniform stress for reliable long term performance and an attractive finish. Wear resistant and quiet operation with smooth rolling and hardness to handle demanding loads with minimal noise. Precision craftsmanship delivering coaxiality, flatness, and bearing concentricity; production processes optimize the flatness of each component and the concentricity of bearings for consistent, smooth operation through assembly and use. Specifications and compatibility Material: strength carbon steel Hardness: Surface finish: smooth, burr Precision features: coaxiality, flatness, bearing concentricity Compatibility: suitable for household sliding doors, wardrobes, large iron doors, curtains, automation equipment pulley components, factory track pulleys Size options: available in multiple sizes to fit diverse track systems Performance: wear resistant, quiet, capable of load bearing Production and quality highlights Uses tight forging process and precision machining to achieve smooth surfaces and uniform stress Employs production processes and equipment to ensure flatness of components and bearing concentricity Designed to support smooth operation and stable performance across multiple assembly cycles Applications and use scenarios Home applications: sliding doors, wardrobes, curtain tracks Industrial applications: automation equipment pulley components, factory track pulleys Heavy door systems: accessory components for large iron doors requiring reliable load bearing and quiet operation