Chromed Brass Rowlock with Blind Socket – Ø12 mm

This rowlock with blind socket combines the convenience and safety of a modern locking mechanism with the durability of quality materials. The product consists of a U-shaped oarlock and a special base with a closed-bottom design. This “blind” socket is engineered for boats where drilling completely through the gunwale is not desirable or possible – for example, boats with enclosed buoyancy chambers or double hulls, where an open-bottom socket would allow water ingress into the cavity.

Locking Mechanism: The rowlock features a bayonet-style locking system – when inserted into the socket, it locks with a slight twist. This means that while you are rowing, the oarlock is securely latched and cannot accidentally pop out. When you want to remove it (for instance, to stow the oars), you simply push in and twist the rowlock in the opposite direction to unlock the bayonet, then pull it out. This mechanism is a significant improvement over plain drop-in oarlocks, which can bounce or even lift out of their sockets in rough conditions.

Construction & Dimensions: The brass rowlock and socket are solid and robust. The pin diameter is 12 mm – a standard size that allows interoperability with other rowlocks and sockets if needed. The inner gap between the horns of the rowlock is about 45 mm, accommodating the thickness of typical oars/paddles. The height of the rowlock (from the top of the socket to the top of the U) is around 58 mm, providing ample room for the oar’s movement. The base has a relatively wide flange (about 46 mm in diameter) designed to cover the hole of a previous plastic socket – thus the installation looks neat with no extra patches required.

Installation: The blind socket installs similarly to a standard socket – through a hole in the gunwale – but unlike open sockets, its bottom is sealed. This design keeps the interior of the gunwale or hull dry. To install, you insert the socket into the hole and secure it with screws or bolts (typically 2 or 3, depending on the flange holes) against the exterior surface. Once installed, the opening where the rowlock pin goes through is completely sealed by the socket itself; water cannot pass beyond the socket into the hull.

Advantages & Applications:

• Leak Protection: The biggest advantage of the blind socket is that it prevents water intrusion into the hull or flotation chambers. This is critical for RIBs, plastic boats with foam-filled or hollow gunwales, and other constructions where a traditional open-bottom socket could let water in and potentially cause damage or instability.
• Enhanced Strength: The entire assembly is metal – brass with chrome plating. This gives the rowing system far greater durability compared to plastic oarlocks. Even under frequent and forceful rowing, the rowlock and socket remain solid with no deformation. The brass can handle high stress, and the chrome finish wards off rust stains and wear.
• Retrofit Upgrade: The set is an excellent upgrade for boats that originally come with simple plastic oarlocks. Many owners of boats in the ~3–5 meter range (such as sporty inflatables, workboats, small sailboats) choose to replace the factory oarlocks with this model for its reliability. The dimensions of the socket and placement of the bayonet mechanism are designed to fit standard hole sizes, making the modernization straightforward. Often, the existing hole from a plastic socket can be used, and the wide flange covers any old marks.
• Comfort & Control: The bayonet lock not only ensures safety but also improves the rowing experience. The rower can apply power confidently without worrying that the oarlock will lift out. This is especially important in adverse conditions – strong winds, waves, or when performing powerful maneuvers – as it gives you consistent control over the oars.
• Style & Finish: The mirror-polished chrome adds a professional look to your boat. Even as a visual accent, this rowlock looks solid and high-quality, complementing the overall appearance of your vessel. It shows that your boat is equipped with premium hardware, which can be reassuring to you and appealing to onlookers.

With this chromed brass rowlock and blind socket, you get the best of both worlds – a modern, secure locking mechanism and old-school metal durability. It’s an investment in trouble-free rowing and the peace of mind that your equipment won’t fail you when it counts. Whether facing choppy waters or leisurely rowing, you can trust this rowlock set to perform flawlessly and keep your oars firmly in place.