Identify Sea-Dog Boat Tie-Down Eyes by Mounting Style
A boat's bow or transom attachment hardware can be difficult to identify once the original package is gone. These five Sea-Dog numbers represent four different fittings: threaded eye nuts, a welded aluminum loop, a bolted stainless bow eye and an oblong deck plate. The mounting method is the first clue.
Identify the attachment style
Threaded transom eye nuts
078106 and 078110 screw onto a bolt or threaded rod. They use different UNC threads, so one cannot be substituted for the other on the same hardware.
Weld-on aluminum bow eye
079810 is cast aluminum and is intended to be welded to a suitable aluminum bow, stern or other structure by a qualified installer.
Bolt-on stainless bow eye
080095 is machined 304 stainless steel with a 5/8-inch coarse-thread connection. It is a different shape and mounting method from the weld-on model.
Surface-mounted stainless plate
088721 is an oblong eye plate in 316 stainless, secured using two suitable 1/4-inch flat-head fasteners, which are not included.
Part-number identification chart
| MPN | Attachment style | Material | Thread / mounting | Typical position |
|---|---|---|---|---|
| 078106 | Thread-on eye nut | Investment-cast 316 stainless | 1/4-20 UNC thread | Transom securement point |
| 078110 | Thread-on eye nut | Investment-cast 316 stainless | 3/8-16 UNC thread | Transom securement point |
| 079810 | Single weld-on bow eye | Cast 356-T6 aluminum | Weld to compatible aluminum | Bow or stern attachment |
| 080095 | Bolt-on bow eye | Machined 304 stainless | 5/8-in NC threaded legs | Bow tie-down point |
| 088721 | Oblong eye plate | Investment-cast 316 stainless | Two 1/4-in flat-head fasteners | Rigging or tie-down point |
What to inspect before reusing an attachment point
- Check the original manufacturer number and actual connection method. A weld-on aluminum eye is not interchangeable with a threaded stainless bow eye.
- For eye nuts, use a thread gauge to distinguish 078106 (1/4-20) from 078110 (3/8-16), and inspect internal threads for stripping or damage.
- For 079810, examine the eye and weld area; questionable repairs or distortion require qualified assessment before use.
- For 080095 and 088721, check the threaded legs or fastener holes, backing, cracks and any missing or substituted nuts.
- Review the individual listing for condition, included hardware and actual dimensions before purchasing. Viewing and pickup at UsedRVParts in Kelowna are by appointment.
Confirm the complete connection. The eye, bolt or welded attachment and supporting structure must all suit the actual load and installation. Material grade, thread size and appearance do not establish an approved working-load limit or safe use for lifting people or overhead loads.
Find an exact replacement by MPN
Open each matching listing to see item condition and supplied fittings.
Related marine attachment hardware
Compare Sea-Dog D and bow shackles and snap hooks and threaded quick links for other connection components.
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