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Head mounting plate
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BNASailing View Drop Down
Sub Lieutenant
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Joined: 25 October 2025
Location: Houston
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Points: 19 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BNASailing Quote  Post ReplyReply Direct Link To This Post Topic: Head mounting plate
    Posted: 05 January 2026 at 07:07
I’m upgrading from the original (2014) all things head - including hoses, tank, and the head, itself.
Two of the four mounting bolts are broken for the head.
Q: is there an aluminum plate sandwiched into the mounting surface of the fiberglass for the head, or an alternate means of mechanical attachment for these bolts?

I need to drill out or extract these broken bolts, and I’m trying the visualize what I’m dealing with….
RM
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Points: 19 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BNASailing Quote  Post ReplyReply Direct Link To This Post Posted: 24 January 2026 at 17:00
I can confirm that there is an aluminum plate imbedded in the fiberglass for mounting the head in a 2014 345. I was able to drill out broken/ seized bolts, drill and tap for replacements.
RM
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Points: 690 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark_J1 Quote  Post ReplyReply Direct Link To This Post Posted: 24 January 2026 at 20:38
I had a similar issue on my 400. There is an aluminium plate in the moulding  However, drilling out the existing broken bolts is tough.  I found it easier to cut them level and slightly reposition the bowl, then drill and tap fresh holes.  This also had the advantage of giving a little more space to open the locker beside the bowl.

Mark
Hanse 400e "Grey Goose" Hull #31
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Joined: 25 October 2025
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Points: 19 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BNASailing Quote  Post ReplyReply Direct Link To This Post Posted: 25 January 2026 at 03:14
Ok. That’s a great suggestion. I assumed that the former placement was optimal, but that is an assumption worth testing. Converting to a fresh water head…
RM
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