Boat Thru Hull Fittings (Stainless Steel) Shop Boat & Marine Thru Hulls

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Stainless Steel Thru Hull Fittings

Our stainless steel, corrosion resistant thru-hulls come in a variety of diameters and sizes and are specially designed to accept hoses or valves to allow water to easily pass through the hull of your vessel. GEM thru-hulls also offer a design that allows one man installation.
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Thru-hull with Hose Barb .625" x.5" BSP, White
Regular price
$10.91
Sale price

$10.91
Unit price
per 
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Thru-hull with Hose Barb 2" x 2" BSP, White
Regular price
$26.56
Sale price

$26.56
Unit price
per 
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Thru-hull with Hose Barb 1.5" x 1.5" BSP, White
Regular price
$18.14
Sale price

$18.14
Unit price
per 
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Thru-hull with Hose Barb 1.125" x 1" BSP, White
Regular price
$13.56
Sale price

$13.56
Unit price
per 
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Thru-hull with Hose Barb 1.25" x 1.25" BSP, White
Regular price
$16.06
Sale price

$16.06
Unit price
per 
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Thru-hull with Hose Barb .5" x.5" BSP, White
Regular price
$10.19
Sale price

$10.19
Unit price
per 
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Thru-hull with Hose Barb .75" x .75" BSP, White
Regular price
$10.76
Sale price

$10.76
Unit price
per 
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Thru-hull with Hose Barb 1" x 1" BSP, White
Regular price
$11.80
Sale price

$11.80
Unit price
per 
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GRP Mold Plug 0.75" Recessed
Regular price
$2.46
Sale price

$2.46
Unit price
per 
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1.5" GRP Mold Plugs for Recessed Skin Fittings
Regular price
$3.26
Sale price

$3.26
Unit price
per 
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GRP Mold Plug 1.25 " Recessed
Regular price
$3.06
Sale price

$3.06
Unit price
per 
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GRP Mold Plug 1" Recessed
Regular price
$2.77
Sale price

$2.77
Unit price
per 
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Thru-hull Domed .5" NPS, Black

1/2" NPSM compatible with: 1/2" NPSF /

Regular price
$10.19
Sale price

$10.19
Unit price
per 
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Thru-hull Domed .75" NPS, Black

3/4" NPSM compatible with: 3/4" NPSF /

Regular price
$11.39
Sale price

$11.39
Unit price
per 
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Thru-hull Domed 1.5" NPS, Black

1 1/2" NPSM compatible with: 1 1/2" NPSF /

Regular price
$20.28
Sale price

$20.28
Unit price
per 
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Thru-hull Domed 1.25" NPS, Black

1 1/4" NPSM compatible with: 1 1/4" NPSF /

Regular price
$15.80
Sale price

$15.80
Unit price
per 
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Thru-hull Domed 1" NPS, Black

1" NPSM compatible with: 1" NPSF /

Regular price
$12.42
Sale price

$12.42
Unit price
per 
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Thru-hull Recessed .5" NPS, Black

1/2" NPSM compatible with: 1/2" NPSF /

Regular price
$10.19
Sale price

$10.19
Unit price
per 
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Thru-hull Recessed .75" NPS, Black

3/4" NPSM compatible with: 3/4" NPSF /

Regular price
$11.39
Sale price

$11.39
Unit price
per 
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Thru-hull Recessed 1" NPS, Black

1" NPSM compatible with: 1" NPSF /

Regular price
$12.42
Sale price

$12.42
Unit price
per 
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Thru-hull Recessed 1.25" NPS, Black

1 1/4" NPSM compatible with: 1 1/4" NPSF /

Regular price
$15.80
Sale price

$15.80
Unit price
per 
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Thru-hull Recessed 1.5" NPS, Black

1 1/2" NPSM compatible with: 1 1/2" NPSF /

Regular price
$20.28
Sale price

$20.28
Unit price
per 
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Thru Hull NPT 3/4" Extended

3/4" NPTM compatible with: 3/4" NPTF /

Regular price
$70.70
Sale price

$70.70
Unit price
per 
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Thru Hull NPT 1" Extended

1" NPTM compatible with: 1" NPTF /

Regular price
$79.60
Sale price

$79.60
Unit price
per 
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