Marine Thru-Hull Fittings & Boat Thru-Hull Hardware

Shop marine thru-hull fittings from Egret Marine — bronze thru-hull fittings in 1/2", 3/4", 1", 1-1/4", and 1-1/2" sizes from Groco and Perko for below-waterline raw water intake, bilge pump discharge, and cockpit drain installations on fiberglass powerboats and sailboats, plastic and nylon thru-hull fittings for above-waterline bilge discharge and livewell drain applications, flanged thru-hull fittings and mushroom-head thru-hulls for flush hull exterior installations, bronze seacocks and ball valves for pairing with below-waterline thru-hulls for emergency shutoff capability, and backing plates, bedding compound, and installation hardware for watertight thru-hull installations. All items in stock and ready to ship.