SKU: 56787430300

Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter

Sale price$21.59 Regular price$23.99
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner DiameterStainless Steel Thru Hull Standard Straight Barbed 3 4" Inner Diameter Polish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat? Rugged Stainless Construction: Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion resistance All visible areas are polished to a mirror finish, then passivate each part for additional

Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter

Polish your image with these beautiful, durable stainless steel fittings. Why specify plastic parts when these fittings will last the life of the boat?

Rugged Stainless Construction:

  • Cast from certified Enhanced 316 Stainless Steel alloy for strength and lifetime corrosion-resistance
  • All visible areas are polished to a mirror finish, then passivate each part for additional protection
  • Thick steel sidewalls withstand continual stress and hose flexing

Faster, Simpler Installation:

  • Each Thru-Hull is available with a new silicone gasket
  • A channel under the flange holds a bead of sealant, making it easier to apply a trouble-free seal
  • All models have wrench flats or an end notch to hold as a gripping surface; one installer can tighten all connections from inside the hull
  • The barbed tail ends provide plenty of room to hold multiple clamps

Stainless Steel Straight Thru-Hulls, Barbed

  • Standard Thread model has a full-length thread for thick hulls and easy tightening

Specifications:

  • Hose size: (inch) 3/4" inner diameter
  • Flange Diameter: (inch) 1-7/8"
  • Thread O.D. (outside diameter): (inch) 1" 
  • Thread Length: (inch) 2"
  • Barb Length: (inch) 1-1/4"
  • Total Length: (inch) 3-3/4"
  • Install Hole Saw Size: (inch) 1-1/8" 
  • Thread NPSM: (inch) 3/4"
  • Max Hull Thickness: (inch) 1-5/8"

*Stainless Steel Thru-Hull Connectors are designed for installation above the water line only


Manufacturer : Attwood Marine
Manufacturer Part No : 66547-3
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56787430300

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4.7 ★★★★★
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Karen
Louisville, US
★★★★★ 5
Ideal - Organized and Many Plug-in Options
Size: 6ft Cord, Color: 20W_Black
Just what I was looking for at the bottom side of my bed stand to keep 5-7 cords organized and the area clean, .... clock, lamp, chargers, infarred heating pads, and other plug-ins and charger cords as needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
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Jak White
Lowell, US
★★★★★ 4
Needs better hardware
Size: 6ft Cord, Color: 20W_Black
Yoooooo great product but what is with the comically tiny screws? Actually installing this on the underside of a wooden desk is near impossible unless, of course, you are in fact a Disney princess and in charge of a team of handy-dandy mice all with #0 Phillips head screwdrivers and 5/32" drill bits. They drill, you hold, kind of thing.
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Reviewed in the United States on May 11, 2026
T
Verified Purchase
Totentanz1980
Alexandria, US
★★★★★ 5
Great for cable management
Size: 6ft Cord, Color: 20W_Black
If you are obsessed with keeping cables neatly organized for your desk, this is the perfect power strip to get. It comes with decent enough screws for mounting that will hold the weight of all the cords you plug in. The outlets on all three sides is very convenient and makes it a snap to fit all your devices in even with some having very large adapters on the plugs, which often take up a majority of the power strip. I have already purchased a couple more so I can organize my wife's desk and one of my kid's desks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025
L
Verified Purchase
Lilnono
Lowell, US
★★★★★ 5
Affordable yet quality
Size: 10ft Cord, Color: 20W_Black
I bought 2 of these to screw in place under my desk. Good quality and works good.
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Reviewed in the United States on January 2, 2026
E
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Evelyn Barlow
Lake Worth, US
★★★★★ 5
Very nice
Size: 6ft Cord, Color: 20W_Black
Perfect for what I needed. Plenty of plugin space.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 31, 2025

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