National Hardware Top Mount Box Rail Split Bolt Connectors When to Use

When to Use

Trim Head for a clean finished look

Robust steel handle and large center hub for increased durability

Ergonomic pump handle helps prevent hand fatigue

First Hour Rating (Gallons): 48

National Hardware Top Mount Box Rail Split Bolt Connectors When to UseNational Hardware's Top Mount Box Rail is designed for doors weighing up to 450 lbs. Manufactured from galvanized steel for durability. Includes pre punched mounting flashing brackets welded to the rail on 2' centers for attaching to 2"x6" track board with 2 1 2" ring shank nails with neoprene washer. For exterior applications. Coated with Weatherguard Protection to withstand harsh weather conditions and prevent corrosion. Meets ANSI BHMA A156. 14,