Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 5/8" Inner Diameter delivers rugged, above-waterline performance with a touch of craftsmanship. Cast from certified Enhanced 316 stainless steel, these fittings are built to endure the harsh marine environment while maintaining a pristine, mirror-like finish.
Engineered for longevity and easy installation, this thru-hull combines strength, corrosion resistance, and thoughtful design to simplify maintenance on your boat.
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Rugged stainless construction: Enhanced 316 stainless steel alloy for maximum strength and lifetime corrosion resistance.
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Polished aesthetics: All visible areas are polished to a mirror finish and passivated for added protection.
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Durable, high-capacity design: Thick steel sidewalls withstand continual stress and hose flexing.
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Faster, simpler installation: Comes with a silicone gasket; a channel under the flange holds a bead of sealant for a trouble-free seal. Each model includes wrench flats or an end notch for easy gripping, enabling one installer to tighten connections from inside the hull.
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Versatile barbed connection: Barbed tail ends provide ample room for multiple clamps.
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Standard Thread model for thick hulls: Full-length thread facilitates tightening on thicker hulls.
Specifications
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Hose size: 5/8" inner diameter
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Flange diameter: 1-7/8"
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Thread outer diameter: 1"
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Thread length: 2"
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Barb length: 1-1/4"
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Total length: 3-3/4"
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Install hole saw size: 1-1/8"
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Thread NPSM: 3/4"
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Max hull thickness: 1-1/16"
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Material: Stainless steel
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Usage: Designed for installation above the water line only
Designed to keep your marine system secure and leak-free, this Attwood thru-hull combines premium materials with practical features that make installation straightforward and reliable. Choose the Attwood Thru-Hull for enduring performance, superior corrosion resistance, and a refined finish that complements any vessel.
