Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/2" Inner Diameter

Enhance the reliability and aesthetics of your boat with our Stainless Steel Thru-Hull Straight Barbed fittings. Designed for marine applications, these fittings ensure a secure and durable connection, outperforming standard plastic alternatives and lasting the lifetime of your vessel.

Premium Stainless Steel Construction

• Enhanced 316 Stainless Steel Alloy: Crafted from certified Enhanced 316 stainless steel, these fittings offer superior strength and exceptional resistance to corrosion, ensuring longevity even in harsh marine environments.
• Mirror-Finish Polishing: All visible areas are meticulously polished to a mirror finish and undergo passivation, providing an additional layer of protection against the elements.
• Robust Sidewalls: Thick steel sidewalls are engineered to withstand continual stress and frequent hose flexing, maintaining integrity over time.

Effortless Installation

• Included Silicone Gasket: Each thru-hull comes with a new silicone gasket, simplifying the installation process and enhancing the seal.
• Integrated Sealant Channel: A channel beneath the flange holds a bead of sealant, ensuring a trouble-free and watertight seal during installation.
• Convenient Gripping Surfaces: All models feature wrench flats or an end notch, allowing one installer to tighten all connections from inside the hull with ease.
• Barbed Tail Ends: The barbed tails provide ample space to secure multiple clamps, ensuring a firm and leak-free connection.

Product Features

• Thread Options: Available in a standard thread model with full-length threading, ideal for thick hulls and easy tightening.
• Above Water Line Installation: Specifically designed for installations above the water line, ensuring optimal performance and safety.

Specifications

Feature	Details
Hose Size	1-1/2" Inner Diameter
Flange Diameter	3"
Thread O.D.	1-7/8"
Thread Length	2-1/2"
Barb Length	1-1/4"
Total Length	4-1/8"
Install Hole Saw Size	2"
Thread NPSM	1-1/2"
Max Hull Thickness	1-7/8"

Additional Specifications

• Material: Stainless Steel
• Box Dimensions: 3"H x 5"W x 8"L
• Weight: 1.55 lbs
• UPC: 022697665515

Download the Quick Guide (PDF) for detailed installation instructions and product information.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.