Billet Thru-Hull Water Fittings

BLOWSION Billet Thru-Hull Water Fittings are precision CNC machined from premium 6061-T6 aircraft-grade aluminum for maximum strength and weight savings. Finished with a durable anodized coating, these fittings deliver superior corrosion resistance in harsh marine environments. Key Features Premium Material: 6061-T6 aluminum for high tensile strength and long service life. Precision Machined: CNC fabrication ensures exact tolerances for leak-free sealing and reliable fitment. Anodized Finish: Protective anodizing minimizes galvanic corrosion and enhances surface durability. Optimized Design: Smooth internal passages reduce flow restriction and promote efficient water cooling. Easy Installation: Standard sizing for straightforward replacement or upgrade of existing thru-hull fittings. Why Choose BLOWSION Designed for boat builders, marine technicians, and performance enthusiasts, BLOWSION billet fittings combine engineering-grade materials with precision manufacturing to protect critical water systems. Whether used for engine cooling, livewell plumbing, or raw water intake, these fittings provide dependable performance and long-term value. Upgrade to BLOWSION Billet Thru-Hull Water Fittings for corrosion-resistant, high-strength marine hardware engineered to perform in the toughest conditions.