CLLOMAGY Boat Seat Base Plate Mount Black, 1pack 7x7 Aluminum - 3/4" Pin Post, 6-Screw Flush Mount

This pedestal base plate replaces or adds a seat mount on pontoon, jon, bass and fishing boats, giving you a reliable foundation for swivel seats and marine seat accessories. Built from lightweight aluminum with reinforced ribbing and a gloss finish, the CLLOMAGY base is engineered to sit flush on decks or benches and to accept commonly used non-threaded 3/4" pin post sockets. It installs with a central 2.5–3" hole and six mounting screws, so most DIYers can fit it without professional help.

How does the CLLOMAGY base make installing a boat seat easier?

The plate is sized for universal seat pins and includes predrilled positions for six mounting screws to keep the mount flush and stable. The center hole accepts a 3/4" pin post socket for easy post insertion and removal, letting seats swivel and slide smoothly.

• 7" x 7" footprint fits most marine seat applications
• Center 2.5–3" hole for non-threaded 3/4" pins
• Six-screw mounting pattern for secure attachment
• Designed for quick DIY installation—no specialist tools required

Is this base durable enough for saltwater and active use?

Manufactured from premium aluminum, the base balances corrosion resistance with low weight, and an added ring of reinforcing ribs increases load-bearing capacity. The smooth, rounded edges and gloss finish reduce snag points and protect decking, while the reinforced design helps resist flex under typical marine loads.

• Premium aluminum construction resists rust and keeps weight down
• Reinforcing ribs for improved structural support
• Gloss finish for weather resistance and easy cleaning
• Rounded edges to minimize wear on cushions and gear

What tools and steps are needed to fit this pedestal base to my boat?

Installation is straightforward: measure and mark the center, cut a 2.5–3" center hole, drill the six screw holes, and fasten the plate securely to your deck or bench. Once mounted, drop a compatible 3/4" pin post socket into the center hole and slide the seat post in—no threading required.

• Tools: drill, hole saw (2.5–3"), screwdriver or driver, sealant
• Steps: mark, cut center hole, drill screw holes, apply marine sealant, screw plate flush
• Seat connection: insert non-threaded 3/4" pin post socket, then seat post
• Typical install time: one person, 30–60 minutes depending on prep

Will this plate work with my current boat seat and accessories?

The CLLOMAGY pedestal is built to accept standard non-threaded 3/4" seat pins used across many marine seat brands and aftermarket pedestals, making it compatible with most swivel and folding seats. Always confirm your seat post diameter and pin style before purchase.

• Compatible with standard non-threaded 3/4" pin post sockets
• Fits common pontoon, jon, bass, and fishing boat seats
• Useful for adding extra seats or replacing worn base plates
• Check seat post type and pin style for guaranteed fit

Who is this for: anglers, weekend boaters, and DIY boat owners who want a dependable, easy-to-install seat mounting solution that accepts standard 3/4" pin posts. If you need a lightweight yet reinforced pedestal base to add or replace a boat seat without complex modifications or professional installation, the CLLOMAGY 7" x 7" plate is designed for that purpose. It’s especially practical for pontoon upgrades, small fishing boats, and anyone fitting additional seats on deck or benches.