Square Plate 4" X 3/16" W/ 4 - .400" Sq Hole - Fits 1.66" OD

Product description
This 4-inch square plate is made from durable 3/16-inch steel and features four .400-inch square holes for secure mounting and fabrication applications. Designed to fit 1.66-inch outside diameter tubing, it’s a strong, practical component for metalworking, railing, gate, fence, and custom weld-on projects.

The precision hole pattern makes this plate useful for builds that require consistent alignment, fastening, or accessory attachment. Its heavy-duty construction provides dependable support while maintaining a clean, professional look for fabrication work.

Key features:

Plate size: 4 square
Material thickness: 3/16
Hole pattern: 4 x .400 square holes
Fitment: Fits 1.66" OD tube
Applications: Welding, mounting, railing, gates, fencing, frames, and custom fabrication