Universal Post Caps

Universal post caps fit on both round and square posts, thus offering increased flexibility. Available in 5 1/2", 12", 18" and 24" slots for both flat and extruded blades. Mounting hardware comes installed on brackets saving time and hassle.

More Information

Bracket Size Selection Guide

Bracket Slot Length Recommended Sign Size Blade Type Compatibility
5-1/2″ 18″ to 30″ Flat & Extruded
12″ 30″ to 42″ Flat & Extruded
18″ 42″ to 54″ Flat & Extruded
24″ 54″ and above Flat & Extruded

Technical Specifications & Compatibility

Flat vs. Extruded Blade Compatibility

Flat blades: Standard thickness signs suitable for most applications. Lighter weight and cost-effective for general street signage.
Extruded Blades: Thicker, heavy-duty signs with enhanced durability. Recommended for high-wind areas and premium installations.

Installation Requirements

Hardware needed:

  • Standard set screws (included with pre-drilled and tapped brackets)
  • Standard Allen Key for installation
  • Optional: Vandal-proof set screws with specialized T-Handle tool for enhanced security
All mounting hardware and tools are available in our Sign Mounting Fasteners section.

Real World Applications

Universal Post Cap holds the sign on a Square Post, used in conjunction with a cross piece

Universal Post Cap used in conjunction with fixed and adjustable cross pieces

Universal Post Cap on a Square Post, with multiple signs held by cross pieces