GROCO 1-1/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut

The GROCO 1-1/4" Bronze Extra Long High Speed Thru-Hull Fitting with Nut is an essential component for anglers and boat owners who require dependable performance below the waterline. This fitting is designed for applications such as thru-hull transducers, seawater intake systems, and drainage, ensuring reliability in demanding marine environments.

Constructed from marine-grade bronze, this extra-long fitting offers superior corrosion resistance, making it ideal for saltwater and brackish conditions. Its extended length accommodates thicker hulls and composite materials commonly found in modern fiberglass vessels, providing a secure seal without the need for additional fasteners. The integral nut ensures a watertight connection on the interior side, minimizing potential leak paths.

Professional boat builders, charter captains, and serious cruisers rely on this fitting for its ability to withstand repeated thermal cycling and high-pressure seawater exposure. Its high-speed designation indicates optimization for flush-mount applications, enhancing sonar performance and hydrodynamic efficiency.