4-Inch Round 6061 Aluminum Backing Plate – 2-Inch Center Hole, 3/8-Inch Thick, Four-Bolt Design

Description

Heavy-Duty Round Deck Reinforcement Plate

Precision-machined from Marine Grade 6061-T6 aluminum, this 4″ Round Backing Plate is engineered to distribute stress for deck-mounted hardware. Featuring a 2″ center pass-through and a pre-drilled 4-hole countersunk pattern, it is the ideal professional solution for installing pop-up cleats, rod holders, and antenna bases.

Ideal for installing:

• Deck Hardware: Pop-up cleats, fuel fills, and heavy-duty rod holders.
• Rigging: Antenna mounts, outrigger bases, and fighting chairs.
• Access Points: Reinforcement for screw-in deck plates and inspection ports.

Specifications:

• Material: Marine Grade 6061-T6 Aluminum
• Outer Diameter (OD): 4″
• Center Hole (ID): 2″
• Thickness: 0.375″ (3/8″)
• Mounting Pattern: 4-Hole Countersunk (CS) layout for flush installation.
• Finish: Fabrication Ready (Mill Finish) – Ready for installation or powder coating.

Trust your rigging to Welding World, Inc. Precision-cut aluminum components for professional marine fabrication.

Shipping: 1-2 work days.

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