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Best Quality Attwood Stainless Steel Thru-hull Standard Straight Barbed - 1-1/2" Inner Diameter [66551-3] Best Choice [viWgd9LR]

$20.99 $67.99 -69%

Attwood Stainless Steel Thru-Hull Standard Straight Barbed Elevate your boat's performance and aesthetics with the Attwood Stainless Steel Thru-Hull Standard Straight Barbed fitting. This premium fitting is designed to provide durability and long-las

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Best Quality Attwood Stainless Steel Thru-hull Standard Straight Barbed - 1-1/2" Inner Diameter [66551-3] Best Choice [viWgd9LR]

Attwood Stainless Steel Thru-Hull Standard Straight Barbed

Elevate your boat's performance and aesthetics with the Attwood Stainless Steel Thru-Hull Standard Straight Barbed fitting. This premium fitting is designed to provide durability and long-lasting performance, ensuring that your boat remains in top condition for years to come.

Superior Construction and Features

Crafted from Enhanced 316 Stainless Steel alloy, this thru-hull offers unmatched strength and corrosion resistance. Its polished finish not only enhances the appearance of your boat but also provides additional protection against environmental factors. Key features include:

  • Cast Construction: The thru-hull is cast from high-quality stainless steel for superior strength and durability.
  • Polished Finish: All visible areas are polished to a mirror finish, ensuring a sleek and professional look.
  • Thick Steel Sidewalls: The thick steel sidewalls can withstand continual stress and hose flexing, ensuring a long-lasting fit.

Easy Installation and Practical Use

Designed for hassle-free installation, this thru-hull comes with a new silicone gasket and a channel under the flange for easy sealant application. The wrench flats or end notch provide a secure grip for quick tightening, while the barbed tail ends offer ample space for multiple clamps. This thru-hull is suitable for installation above the water line, making it a practical choice for a variety of marine applications. Key specifications include:

  • Hose Size: 1-1/2" inner diameter
  • Flange Diameter: 3 inches
  • Thread O.D.: 1-7/8 inches
  • Thread Length: 2-1/2 inches
  • Barb Length: 1-1/4 inches
  • Total Length: 4-1/8 inches
  • Install Hole Saw Size: 2 inches
  • Thread NPSM: 1-1/2 inches
  • Max Hull Thickness: 1-7/8 inches

What Our Customers Say

January 26, 2026

Absolutely no complaints!

I’m wowed by the quality at this price point.

- Dominic D..

January 26, 2026

Absolutely no complaints!

A product that is worth every single cent.

- Leilani U..

January 26, 2026

Absolutely no complaints!

It’s a very well-made, and truly premium item.

- Emerson C..

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