Identify Sea-Dog Galvanized Cleats by Size and Head Style
The galvanized open-base rope cleats from Sea-Dog have a similar finish, but their head profile and overall length identify different part numbers. This guide separates the 4- and 5-inch flat-head fittings from the 6-, 10- and 12-inch socket-head fittings for customers matching an existing recreational boat or dock cleat.
Identify the head and base
Flat-head, open-base
040104 and 040105 have the flat-head profile. The 4- and 5-inch lengths are separate models; match the deck or dock fastening arrangement when replacing one.
Socket-head, open-base
040106, 040110 and 040112 use the socket-head shape at 6, 10 and 12 inches. A larger cleat is not necessarily suitable for a heavier vessel.
Match the exact number and length
| Sea-Dog MPN | Overall length | Head style | Construction |
|---|---|---|---|
| 040104 | 4 in | Flat head | Hot-dip galvanized cast iron |
| 040105 | 5 in | Flat head | Hot-dip galvanized cast iron |
| 040106 | 6 in | Socket head | Hot-dip galvanized cast iron |
| 040110 | 10 in | Socket head | Hot-dip galvanized cast iron |
| 040112 | 12 in | Socket head | Hot-dip galvanized cast iron |
Application limits: Sea-Dog describes this galvanized open-base series for small boats and recreational docks. It is not recommended for large vessels or commercial-duty use. Check the installation and backing structure before relying on a cleat for dock lines.
Inspect a replacement cleat
- Match the exact 040xxx part number and measured overall length. The head profile alone cannot identify the correct size.
- Inspect the galvanizing, cast body, horns and open base for cracks, bending or deep rust.
- Check the mounting holes for distortion, and compare their position with the existing backing and fastening arrangement.
- Review the individual listing for included fasteners or backing hardware; do not assume second-hand hardware is a complete mounting kit.
- Use an appropriately specified cleat and mounting method for the intended mooring loads. These parts are not recommended for commercial or larger-boat service.
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Find an exact replacement cleat
Each product link opens the individual store record for condition and completeness.
More marine reference pages
For connecting chains and anchoring fittings, see our Sea-Dog shackle identification guide.
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