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Author Topic:   Source for Stainless Flat Head Barrel Nuts?
HawaiianWhaler posted 05-01-2006 09:29 AM ET (US)   Profile for HawaiianWhaler   Send Email to HawaiianWhaler  
Recently noticed that a hinge on my Conquest's in-deck fish box's lid was loose. Found that Whaler used phillips oval head machine screws through the hinge, into phillips flat head barrel nuts on the underside of the lid to hold the hinges to the lid. The screws and hinges are chrome-plated stainless steel - typical Whaler high quality stuff - but the barrel nuts were neither chrome plated nor stainless and had rotted away, despite fresh water washdown after every use. Whaler says they still do not use stainless barrel nuts so any OEM replacements ordered will be the same material. My question to all you knowledgeable fellow Whaler owners is:

Do any of you know where stainless flat head barrel nuts (#10-24x3/8") may be purchased?

The underside of the lid is already countersunk to accommodate the flat head barrel nuts. The local West Marine has stainless barrel nuts but they are round head and their use would require additional countersinking in both diameter and depth, raising concern over whether enough thickness of lid will remain. Flat heads are required because the underside of the lid sits flush to the drain lip of the deck. Stainless tee nuts are not feasible as the lid is gel-coated fiberglass, not wood.

Thanks in advance for your help.

Tonym posted 05-01-2006 10:37 AM ET (US)     Profile for Tonym  Send Email to Tonym     
Try Jamestown Distributors. They have a very good selection of all types of stainless steel fasteners. Tonym
bsmotril posted 05-01-2006 03:14 PM ET (US)     Profile for bsmotril  Send Email to bsmotril     
They use the same thing on the transom door latch of a lot of later models. You can order a replacement from the Dealer or
HawaiianWhaler posted 05-02-2006 09:13 AM ET (US)     Profile for HawaiianWhaler  Send Email to HawaiianWhaler     
Anyone else have a possible source for stainless flat head barrel nuts?

Tonym - Thanks for the tip on Jamestown Distributors. I looked on their website and they only show round head barrel nuts. I've e-mailed them to ask about the availability of flat head.

BillS - Thanks for the info. Prior to posting, I had contacted Whaler and (from my post at top) "Whaler says they still do not use stainless barrel nuts so any OEM replacements ordered will be the same material." While I try, like many others here, to keep my Whaler as original as possible, in this case I'd prefer not to simply re-use the original barrel nuts only to have them rot away again in another few years.

Thanks all for any additional help.

sailraka posted 05-06-2006 01:47 AM ET (US)     Profile for sailraka  Send Email to sailraka     
McMaster-Carr has these.
ukuslayer posted 05-06-2006 05:39 AM ET (US)     Profile for ukuslayer  Send Email to ukuslayer     

I assume you are in Hawaii, if you are you might try Hawaiian nut and bolt in the Mapunapuna area by the airport. They have a huge assortment of nuts and bolts and almost any other type of fastner you need. If they don't have it in stock they can probably get it for you. Hope this helps.

Aloha Sean

Chuck Tribolet posted 05-06-2006 08:30 AM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
Sailraka: What's the McMaster p/n? I found SS barrel nuts
with round heads, and some other type, but not flat head.


HawaiianWhaler posted 05-07-2006 06:22 AM ET (US)     Profile for HawaiianWhaler  Send Email to HawaiianWhaler     
Has no one had to replace the flat head barrel nuts that Whaler uses to hold hinges on lids/hatches, etc.? Has everyone just been replacing them with the OEM corrosion susceptible nuts from Whaler? If anyone has replaced them with better stainless nuts, please share the knowledge with the rest of us. Since Whaler continues to use the non-stainless ones, this will be a continuously growing problem as boats with hinges fastened this way age.

ukuslayer - Been to Hawaii Nut and Bolt and they just laughed when I showed 'em the old rotted out one, told me they don't have anything like it and that they didn't know of anyone on Oahu that might. I did a google search and didn't come up with much and that's when I came here for the collective wisdom and experience of fellow Whaler owners.

sailraka and Chuck - I too also found only round head stainless barrel nuts on the McMaster-Carr website, so I e-mailed them asking if they had flat head. They do not.

Tonym - I also e-mailed Jamestown Distributors and got the same response; they do not have flat head stainless barrel nuts.

I continue to search for them and will certainly post here if I find some before someone else does. Thanks all for your help!

Plotman posted 05-07-2006 09:22 PM ET (US)     Profile for Plotman  Send Email to Plotman     
Try Fastenal -
Chuck Tribolet posted 05-08-2006 10:41 AM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
I couldn't find any barrel nuts, SS or otherwise at

How about using an SS tee nut, maybe grinding off the teeth?
Mcmaster part 90973A040 looks like it would work.


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