When you're refreshing deck hardware seating covers, the real decision usually comes down to one question: do you need a deck access cover or a latch that holds an existing lid shut? The 6" Deck Plate For Boat Marine Stainless Steel Hardware Yacht Ship Accessories answers the first need with a mirror-polished 316 stainless steel disc, while the Lock Hatch Deck Fastener Clamp Boat Hardware - Anti-Rattle Latch Fastener answers the second with a two-piece chrome-plated brass latch clamp. One creates an access point; the other keeps that point closed.
Quick Verdict
Choose the 6" Deck Plate if you want a corrosion-resistant access cover with a smooth polished face. Choose the Lock Hatch Deck Fastener if you need a simple, secure latch for existing lids.
At a Glance
| Product | Listed Price | Material | What It Does |
| 6" Deck Plate | USD 63.75 | 316 stainless steel | Access plate for boat decks |
| Lock Hatch Deck Fastener | USD 9.24 | Chrome-plated brass | Two-piece latch clamp for hatches and lids |
Where the 6" Deck Plate Wins
This is the access-cover option, not a closure latch. Silica sol precision casting and mirror polishing give it a smooth, bright face without scratches. The listed inner dimension is 152mm/6" (approximately), with an overall size of 197mm, so it provides a defined opening for a deck plate. It ships as one stainless steel disc, which makes it a straightforward choice when your project needs a dedicated deck access point. If you're replacing a worn deck plate or building in a new opening, this is the product that fills that role.
Where the Lock Hatch Fastener Wins
This is the more flexible closure option. It is sold as a two-piece set, so you get two matching pieces in one package. The overall size is 2" x 4", with a base size of 2" x 2-3/4" and a 1/4" lever hole opening. It's designed for hatches, lockers, or deck lids on most boats. Just add screws (not included). If your problem is a rattling lid or a locker that pops open, this latch clamp is built for that.
Product Notes
6" Deck Plate For Boat Marine Stainless Steel Hardware Yacht Ship Accessories
At USD 63.75, this is the costlier option, and it's designed as a deck plate rather than a moving part. The material is 316 stainless steel, which is a good fit for exposed boat locations where corrosion is a concern. The mirror-polished surface and precision-cast construction point to a finished, refined component. With an inner dimension of 152mm/6" (approximately), this plate gives you a defined opening for an access cover. The packing list contains one stainless steel disc, so this product will not latch an existing lid. If you need to secure a hatch that already exists, this cover won't perform that job. It's the access point itself, not the fastener that holds another cover closed.
Lock Hatch Deck Fastener Clamp Boat Hardware - Anti-Rattle Latch Fastener
At USD 9.24, this is the less costly of the two, and it still has a solid material story: chrome-plated brass. It comes as a two-piece package, and its overall dimensions are 2" x 4", with a base of 2" x 2-3/4" and a lever hole opening of 1/4". Designed for hatches, lockers, and deck lids, it covers the common places you'd want a secure closure on a boat. The main catch is that screws are not included, so you'll need to have the right fasteners on hand. It also won't create a new access opening; it only holds a lid shut. If your deck hardware seating covers project needs an access plate, this latch won't serve that role. For stopping rattles and keeping lids closed, it's the more specialized tool for that job.
Final Choice by Use Case
Choose the 6" Deck Plate for a dedicated access point in a boat deck. It makes sense when you need a defined deck access opening. Choose the Lock Hatch Deck Fastener when you need a quick, secure way to hold existing lids closed. For a full deck hardware seating covers refresh, many boat owners will actually want both: a deck plate for clean access and a latch fastener to keep everything else shut.
