Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/ 8" Inner Diameter
SKU: 10771129247

Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/ 8" Inner Diameter

Sale price$36.43 Regular price$40.48
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Description

Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1-1/ 8" Inner DiameterStainless Steel Thru Hull Standard Straight Barbed 1 1 8" 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 - 1-1/8" 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) 1-1/8" inner diameter
  • Flange Diameter: (inch) 2-1/4"
  • Thread O.D. (outside diameter): (inch) 1-3/8" 
  • Thread Length: (inch) 2-3/8"
  • Barb Length: (inch) 1-1/4"
  • Total Length: (inch) 3-7/8"
  • Install Hole Saw Size: (inch) 1-1/4" 
  • Thread NPSM: (inch) 1"
  • Max Hull Thickness: (inch) 1-3/4"

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


Manufacturer Part Numbers: 66549-3
Quick Guide (PDF)
Installation Guide (PDF)
GRP:WRO
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: 10771129247

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s.wkan
Belleville, US
★★★★★ 5
Love these shelves
Style: 4-Tier Shelf Brackets with 3 Boards-24in
Highly recommend these shelves. So easy to put together and they are sturdy and look great. I’m considering buying a second one!!
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Reviewed in the United States on September 19, 2025
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Hilda
San Leandro, US
★★★★★ 5
Shelves
Style: 5-Tier Shelf Brackets, Hardware Only
Great shelves, strong and they look great.
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Reviewed in the United States on May 2, 2026
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Rachel
Charlottesville, US
★★★★★ 5
great shelves
Style: 4-Tier Shelf Brackets, Hardware Only.
looks so good on a wall, would buy again
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Reviewed in the United States on January 15, 2026
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nona chambliss
Belleville, US
★★★★★ 5
Black iron shelves
Style: 4-Tier Shelf Brackets, Hardware Only.
Love these shelves! Able to put without problems for this 79 yo woman.
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Reviewed in the United States on March 8, 2026
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Ken B.
Fort Morgan, US
★★★★★ 5
Man cave +1
Style: 4-Tier Shelf Brackets, Hardware Only.
Nice add to the man cave
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Reviewed in the United States on May 28, 2026

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