Hillman 852111Click To Copy Galvanized Box Rail, 10 ft, 450 lb Capacity, Face Mount

This Hillman Group 852111 Box Rail is a galvanized steel track designed for robust sliding door systems, often used for heavy-duty barn doors in residential and commercial applications. Measuring 10 feet (120 inches) in length, it features a plain galvanized finish that provides corrosion resistance, making it suitable for both interior and exterior use. The rail has a 2.5-inch height and is engineered with a 450 lb Safe Working Load Limit to support heavy door panels. It is designed for face mounting, typically attached to a header board using separate mounting brackets spaced 24 inches on center. The enclosed box profile protects the internal trolleys from dust and debris, contributing to smooth operation and low maintenance.