GROCO 1" Bronze High Speed Thru-Hull Fitting with Nut

The GROCO 1-inch Bronze High Speed Thru-Hull Fitting with Nut is engineered to reduce drag and enhance water flow for marine applications. Built from durable C83600 bronze, it features a NPSM/NPT combination thread for versatile installation. This fitting is ideal for boat owners seeking high performance and reliability in through-hull connections. Suitable for both new builds and replacements, it provides lasting resistance against corrosion and wear. Perfect for professional installers and boating enthusiasts alike.