Wood Post Caps

We offer 4x4 wood post caps for flat and extruded blades, available in 5", 6" and 12” slot lengths. Fasteners come pre-installed, ready to mount.

More Information

Bracket Size Selection Guide

Bracket Slot Length Recommended Sign Size Blade Type Compatibility
5″ 18″ to 30″ Extruded Only
6″ 18″ to 36″ Flat & Extruded
12″ 30″ to 42″ 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

Wood Post Cap holding an extruded sign in conjunction with a cross piece

Wood Post Cap slot length 12” securing a larger sign 30”-42”

4”x 4” wood post holding signs up with a Wood Post Cap and cross pieces