20 mm Square Post Bracket – Suits 50 × 50 mm Crossmembers

Overview
This 20 mm Square Post Bracket is engineered to securely mount 19 mm square uprights to standard 50 × 50 mm trailer crossmembers. Crafted from heavy-duty galvanised steel, it’s ideal for harsh marine environments and trailer applications.

Key Features

• Compatible with 19 mm square tube uprights

• Designed for 50 × 50 mm crossmembers

• Heavy-duty galvanised steel construction for superior rust resistance

• Includes 1× adjuster bolt and 1× fixing bolt for easy installation

• Ships quickly—dispatched next business day from Queensland

• Backed by a 12‑month manufacturer warranty 

Applications
Perfect for mounting keel skids, wobble rollers, guide posts, or custom fixtures on boat and box trailers.

Specifications