National Hardware N104-752 Adjustable Box Rail Splice Bracket, Galvanized Steel

The National Hardware N104-752 is an adjustable box rail splice bracket designed to securely mount a double run of box rail on buildings with corrugated metal siding. Constructed from hot-dip galvanized steel, this bracket resists rust and corrosion in outdoor and industrial environments, making it ideal for barn doors, warehouses, and modern metal-clad structures. The adjustable mounting system lets you fine-tune alignment for smooth, reliable door operation while eliminating sag and wobble under heavy door panels.

This bracket is engineered for compatibility with Stanley box rails (models 105270, 105676, 105213, and 105726) and delivers dependable reinforcement for large barn-door installations. Whether you're a homeowner tackling a DIY project or a professional contractor, this hardware offers the durability and ease of use needed for a long-lasting door solution.

Features and Benefits

• Hot-Dip Galvanized Construction: Provides lasting corrosion resistance for outdoor and industrial applications.
• Adjustable Mounting Slots: Built-in slots allow precise positioning on corrugated metal siding, simplifying on-site alignment and installation.
• Double-Splice Compatibility: Engineered specifically for double-run box rail configurations with Stanley models 105270, 105676, 105213, and 105726.
• Includes Hardware: Comes with lag bolts for quick, straightforward installation.
• Professional-Grade Performance: Pre-drilled holes and rugged design make it suitable for both DIY homeowners and contractors.

Specifications

• Brand: National Hardware
• Model: N104-752
• Material: Galvanized steel
• Application: Double run of box rail on corrugated metal siding
• Compatible with: Stanley box rails 105270, 105676, 105213, 105726
• Hardware Included: Lag bolts
• Packaging: Display packed