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Groco Stainless Steel Thru-Hull Fittings are have straight NPS barbed male pipe designed to be used with hose. Their stainless steel construction offers the ultimate in corrosion resistance and protection.
It is recommended that Groco SS thru-hull fittings only be used in low pressure applications.
=Stainless Steel thru-hulls are the best choice for below-the-waterline use. They are supplied complete with a stainless steel locknut with bonding screw
$29.25
$32.67
$25.06
$24.71
$31.56
$44.23
$58.02
$75.63
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Below Water Line (yes/no):
Yes
BRAND:
Groco
Metal:
Stainless Steel
Type:
Thru-Hulls
Questions & Answers about Groco Stainless Steel Thru-Hull Fittings:
2013-02-27A shopper asked: can this be used as a transom drain tube in an older fiberglass boat?
2012-01-18BRENT ERB asked: I have 2 questions: What is the external diamater of the threaded part of the thru-hull? I have an existing 1-5/8" hole in my transom for rubber hydraulic lines to a Kicker motor. Is there a through hole type gromit that provides a water resistant seal for 2 rubber hoses passing through? The hole is well above the water line.
2011-09-21A shopper asked: what's the out size dia?
+Expand Answers
2011-09-28Hugh Masterman: What is the diameter of the threaded portion?
2011-10-27Bruce Woodruff: Don't know, will check when boat is out of water for winter
Comments about Groco Stainless Steel Thru-Hull Fittings:
I used this to replace all the plastic thru hull fittings on my Grady White boat because the were cracked and leaking. These look better and definitely work better!
12/16/2008
(0 of 1 customers found this review helpful)
4.0
Description is incorrect, Fitting OK
By Skipper Mike
from Simi Valley, Ca.
About Me Professional
Pros
Durable
Cons
Best Uses
Comments about Groco Stainless Steel Thru-Hull Fittings:
The description is incorrect for the SS thru hull fitting. It's not designed to accept a seacock or valve directly. Not enough threaded shank. It's designed to attach the hose directly. It appears Groco does not offer a full threaded SS hull fitting, just brass. Its still a good fitting. Lucky I was able to use it on another project instead on returning it.
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Special order items are not stocked and are ordered direct from the manufacturer. They are non-returnable, may take 2-4 weeks, price and shipping charges subject to change.
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