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-   -   Installing thru hull and sea cock? (https://www.offshoreonly.com/forums/do-yourself-boating-budget/205858-installing-thru-hull-sea-cock.html)

noyzee 03-30-2009 02:13 PM

Installing thru hull and sea cock?
 
ok, im going to be installing a seacock for raw water onto my old mans new boat. just want to see what you guys think.
i was planning on just using 1 1/4" stainless screws that would give about 1" into the boat. i was going to do a very slight counter sink into it so it wont crack. is this good or should i use longer screws, or threw bolt it? i think thew bolting would be 3 more chance of leak, and longer screws would be 3 more chance of cracking.
whay do you guys think?

DareDevil 03-30-2009 03:09 PM


Originally Posted by noyzee (Post 2832364)
ok, im going to be installing a seacock for raw water onto my old mans new boat. just want to see what you guys think.
i was planning on just using 1 1/4" stainless screws that would give about 1" into the boat. i was going to do a very slight counter sink into it so it wont crack. is this good or should i use longer screws, or threw bolt it? i think thew bolting would be 3 more chance of leak, and longer screws would be 3 more chance of cracking.
whay do you guys think?

I think thru bolt it and also use 5200 !!!! On the thruhull and the bolts .
Never gona leak !!!

noyzee 03-30-2009 05:09 PM

im just scared to put all those holes in one spot. hhmmmmm, i know thew bolt will hold it best

Griff 03-31-2009 01:38 AM


Originally Posted by daredevil (Post 2832404)
I think thru bolt it and also use 5200 !!!! On the thruhull and the bolts .
Never gona leak !!!

What he said!!!!!!!

BDiggity 03-31-2009 06:58 AM

same when installing new bilge drain? removed my old copper one & putting in a stainless one.

DareDevil 03-31-2009 09:08 AM


Originally Posted by BDiggity (Post 2832906)
same when installing new bilge drain? removed my old copper one & putting in a stainless one.

YEP:ernaehrung004:

mike tkach 03-31-2009 12:57 PM


Originally Posted by daredevil (Post 2832404)
I think thru bolt it and also use 5200 !!!! On the thruhull and the bolts .
Never gona leak !!!

that,s how i do it,i also make a round plate to put inside the boat.don,t try to seal it with rtv silicone,get the 5200.it takes 7 days to completly work,but it will not leak.:rolleyes:

noyzee 03-31-2009 03:04 PM

should i make a stainless plate arounf the thru hull with the outside larger then the seacock so when i thew bolt it i wont use washers i can go thew the stainless ring? on the 5200 i got the fast cure 5200, good? and how do i use it? drill the hole put 5200 in the hole and on the bolt slide it threw and dab it on again?

again, im new to this, just looking to save some $$ im plenty able to do the work, i just want to be sure i do it correct

thanks

DareDevil 03-31-2009 03:12 PM


Originally Posted by noyzee (Post 2833233)
should i make a stainless plate arounf the thru hull with the outside larger then the seacock so when i thew bolt it i wont use washers i can go thew the stainless ring? on the 5200 i got the fast cure 5200, good? and how do i use it? drill the hole put 5200 in the hole and on the bolt slide it threw and dab it on again?

again, im new to this, just looking to save some $$ im plenty able to do the work, i just want to be sure i do it correct

thanks

The fast cure is the best,,,,just drill all your holes ,,then aply 5200 on the thru hull and mount it ,,,put a little of 5200 on each bolt and in the hole and be done !!

noyzee 03-31-2009 06:08 PM


Originally Posted by daredevil (Post 2833235)
The fast cure is the best,,,,just drill all your holes ,,then aply 5200 on the thru hull and mount it ,,,put a little of 5200 on each bolt and in the hole and be done !!

ok, sounds like what i was planning. cool. thanks for the info


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