Attwood Marine Cleat Sizes & Mounting

Attwood makes two different low-profile marine cleat styles: Flush Cleats that retract into a cast body, and Neat Cleats with two retracting stanchions. Their deck cutouts, installation depths and fastening arrangements are different. Compare the actual mounting layout and full manufacturer number before replacing a boat cleat.

Flush Cleat versus Neat Cleat mounting

Flush Cleat — recessed body

Look for the cast recess and either countersunk fasteners or hidden mounting studs.

Neat Cleat — twin retracting posts

Two retracting stanchions use a specific centre-to-centre spacing and need space beneath the deck.

Conceptual identification illustrations only; they are not scaled manufacturer drawings or drilling templates.

Deck thickness and drainage matter. Attwood Neat Cleat installations use drainage receptacles to direct water away from the post openings. Drain tubing is separate. Follow the correct model's mounting instructions and confirm reinforcement, sealing and access below deck.

Attwood boat cleat size and mounting chart

The Neat Cleat figures identify stanchion-centre spacing and the published installation depth. Flush Cleats use different mounting hardware; their nominal cleat length alone does not specify a replacement cutout.

Part number	Style	Size	Mounting	Stanchion centres	Install depth
66510-7	Flush	4½ in	Countersunk	Check original fastener layout	Model-specific
66514-7	Flush	6 in	Countersunk	Check original fastener layout	Model-specific
66524-1	Flush	8 in	Concealed studs	Check original stud pattern	Model-specific
66515-7	Neat	4½ in	Two retractable stanchions	1¾ in	3⅛ in
66517-1	Neat	6 in	Two retractable stanchions	2¼ in	3⅛ in
66517-7	Neat	6 in	Two retractable stanchions	2¼ in	3⅛ in
66519-1	Neat	8 in	Two retractable stanchions	2 13/16 in	3¾ in
66538-1	Neat	10 in	Two retractable stanchions	3½ in	5¼ in

Neat Cleat measurements follow Attwood's dimensional catalog. The Flush Cleat's fastener position and recess must be confirmed from the exact original model and its installation instructions.

Five things to check before installing a marine cleat

Determine whether you are replacing a flush recessed body or a two-post retractable Neat Cleat.
Measure the overall cleat length and width, then check the pattern and space underneath the deck.
For Neat Cleat models, compare the stanchion centres: 1¾ in (4½-inch), 2¼ in (six-inch), 2 13/16 in (eight-inch) or 3½ in (ten-inch).
Check mounting hardware. Attwood's countersunk Flush Cleats require separate fasteners; the listed stud-mounted flush model uses hidden mounting hardware.
Use an appropriate structural backing arrangement and water sealing. Neat Cleats are intended for recreational line securing, not towing or lifting a watercraft.

Use the cleat for its intended purpose. Cleat size alone does not establish a safe working load. Do not use a Neat Cleat for lifting or towing a watercraft. Confirm deck strength, backing and the manufacturer's intended application.

Compare Attwood marine cleats with catalog photographs

These links open the corresponding products in NewRVParts. Match the mounting geometry before choosing one for your deck.

Recessed Flush Cleats

Two countersunk models and one stud-mounted model are shown. The mounting hardware is not interchangeable across types.

Attwood 66510-7 4-half in flush-mount marine cleat catalog photo

Attwood 66510-7 — 4½ in Flush CleatFlush-style 4½-inch stainless cleat. Countersunk mounting uses four #10 fasteners (not included); backing plate supplied.View product and availability

Attwood 66514-7 6 in flush-mount marine cleat catalog photo

Attwood 66514-7 — 6 in Flush CleatSix-inch countersunk flush cleat using four ¼-inch fasteners supplied separately. A backing plate is included.View product and availability

Attwood 66524-1 8 in flush-mount marine cleat catalog photo

Attwood 66524-1 — 8 in Flush CleatEight-inch stud-mounted flush cleat. Manufacturer specifies concealed mounting and included fastening hardware.View product and availability

Two-post retractable Neat Cleats

The two six-inch entries are the manufacturer bulk and retail packaging versions of the same size and centre-spacing arrangement.

Attwood 66515-7 4-half in Neat Cleat marine cleat catalog photo

Attwood 66515-7 — 4½ in Neat CleatCompact Neat Cleat, 1 5/16 inches wide. Two-stanchion centres are 1¾ inches; check space below the deck for the retracting hardware.View product and availability

Attwood 66517-1 6 in Neat Cleat marine cleat catalog photo

Attwood 66517-1 — 6 in Neat CleatSix-inch Neat Cleat bulk-pack version. Two stanchions sit 2¼ inches apart; the overall cleat width is 1½ inches.View product and availability

Attwood 66517-7 6 in Neat Cleat marine cleat catalog photo

Attwood 66517-7 — 6 in Neat CleatSix-inch Neat Cleat in retail packaging, with the same manufacturer mounting geometry as bulk 66517-1.View product and availability

Attwood 66519-1 8 in Neat Cleat marine cleat catalog photo

Attwood 66519-1 — 8 in Neat CleatEight-inch Neat Cleat with 1 15/16-inch overall width. The retracting assembly needs more below-deck space than the smaller models.View product and availability

Attwood 66538-1 10 in Neat Cleat marine cleat catalog photo

Attwood 66538-1 — 10 in Neat CleatTen-inch Neat Cleat with 2 7/16-inch width. A deep 5¼-inch installation cavity is specified for this larger model.View product and availability

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Attwood Boat Cleats: Flush vs Neat Cleat Sizes & Mounting