Heavy-Duty Boat Trailer Bunk Brackets

Upgrade your trailer with heavy-duty boat trailer bunk brackets designed to provide secure, adjustable support for marine bunk boards. The swivel-top design helps the bunk board follow the boat hull angle for improved contact, alignment, and support during loading, launching, transport, and storage.

Bundling to Save

Combine with the necessary Lag Bolts and/or Carriage Bolts and SAVE 25% on your Lag/Carriage Bolts by using Promo Code: "BracketBolts" at checkout.  Saving you considerable $$$ off the cost of Galvanized and Stainless Steel Hardware!!

Choose the Material for Your Marine Environment

Hot-Dip Galvanized Steel: Built from 3mm ASTM A572 Grade 50 high-strength structural steel and protected with a heavy hot-dip galvanized coating for rugged strength and corrosion protection in wet and marine environments.

RUSTPROOF - 5052 Aluminum: 4mm high-grade 5052 aluminum offers a super lightweight, corrosion-resistant option that does not form red iron rust like steel and is well suited for freshwater, saltwater, coastal, and high-moisture environments.

Key Features

• Swivel-Top Support: Allows the bunk board to follow the hull angle for improved contact and alignment.
• Heavy-Duty Construction: Designed as a secure mounting point between the trailer support and bunk board.
• Multiple Marine Applications: Suitable for boat trailers, pontoons, jet skis, PWC trailers, and other marine trailer applications when dimensions and mounting configuration are compatible.
• Replacement or New Builds: Ideal for replacing bent, worn, corroded, or fixed-position bunk board brackets and swivel-top angle brackets.
• Pack Options: Available in 4-pack, 6-pack, and 8-pack quantities for small trailers, dual-bunk systems, pontoon trailers, jet ski trailers, or complete trailer restorations.

Applications

Use as boat trailer bunk brackets, trailer bunk brackets, boat bunk brackets, bunk board brackets, pontoon trailer bunk brackets, jet ski trailer bunk brackets, PWC trailer bunk brackets, marine trailer bunk brackets, bolster and swivel brackets, or adjustable swivel-top angle brackets where compatible.

Important Fitment Note

Verify bracket dimensions, hole spacing, bunk-board size, mounting hardware, mounting configuration, and required load capacity before ordering.