12mm Bolt Hanging Door Roller Assembly with Hex Nut for Top Hung Sliding Doors

This door hardware is a hanging door roller assembly built around a compact metal roller bracket with 4 bearing rollers and a top-mounted threaded bolt with hex nut for installation. As a sliding track roller, it is designed to support a moving door along a track system, helping the door travel with steady alignment and lessened friction. The roller assembly features round dark-edged rollers with visible bearings and an industrial hardware-like build for a secure, functional look. The vertical 12mm bolt marked 90/120 provides a practical hanging connection point, making the assembly suitable for top-hung track setups. This metal roller bracket is intended to keep door movement effortless and controlled, improving everyday operation in sliding door applications.