Bronze Thru-Hulls

$19.52 to $68.12
$19.52 to $68.12
Bronze Thru-Hulls. Machined finished, complete with flange nut.
  • Size = Thread Size (NPS)
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling. For more information, go to
Item #
Thread Size
Stem Length Under Flange
Flange Diameter
Buck Algonquin Bronze 3/8" Thru-Hul
Item #:531454-3/8"
Thread Size: 3/8" NPS
Stem Length Under Flange: 2-1/4"
Flange Diameter: 1-9/16"
Buck Algonquin Bronze 1-1/2" Thru-Hull
Item #:531454-1-1/2"
Thread Size: 1-1/2" NPS
Stem Length Under Flange: 3-1/2"
Flange Diameter: 3-3/8"
Buck Algonquin Bronze 3/4" Thru-Hull, with Hose
Item #:531454-3/4"
Thread Size: 3/4" NPS
Stem Length Under Flange: 3 1/4"
Flange Diameter: 2 1/16"
Buck Algonquin Bronze 1" Thru-Hull
Item #:531454-1"
Thread Size: 1" NPS
Stem Length Under Flange: 2-3/4"
Flange Diameter: 2-3/8"
Buck Algonquin Bronze 1-1/4" Thru-Hull
Item #:531454-1-1/4"
Thread Size: 1-1/4" NPS
Stem Length Under Flange: 3-1/4"
Flange Diameter: 3-1/16"

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Hydrasearch Company warrants the products described herein and manufactured by Hydrasearch to be free from defects in material and workmanship for a period of one (1) year from the date of shipment under normal use and service. Shipping of the product back to the manufacturer for warranty is the customers responsibility to pay.


  • Restocking charge will apply at a minimum of 25% for all product returned.
  • All Returns must be returned within 30 days of receipt of the items.
  • Some products are non-returnable, please contact us for further details.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.