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24-12-2014, 12:45
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#1
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Registered User
Join Date: Oct 2008
Location: Working on the new boat getting ready for first shake down cruise. Currently on the east coast of the US.
Boat: Peterson 44.
Posts: 131
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Help finding a 190 mm bolt
Our toerail is leaking and we found the problem(s). We have removed the bolts and some need replacing the only problem is the size. 7.5 inch x 1/4 inch countersunk head in SS with thread only needed at the distal end. That is 190 mm x 6.35 mm for the metric countries. We have looked everywhere we can think of here in the US and no one can help us so far. So happy to buy offshore, anywhere but does anyone know a company that sells this incredibly old and unusual size bolt? Many thanks in advance to all. Fiona
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24-12-2014, 12:49
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#2
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Registered User
Join Date: Aug 2006
Location: Skagit City, WA
Posts: 25,540
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Re: Help finding a 190 mm bolt
Possible to use a carriage bolt? It's near flush and I think there are some very long ones...
__________________
"I spent most of my money on Booze, Broads and Boats. The rest I wasted" - Elmore Leonard
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24-12-2014, 13:09
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#3
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Registered User
Join Date: Dec 2008
Location: St. Georges, Bda
Boat: Rhodes Reliant 41ft
Posts: 4,131
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Re: Help finding a 190 mm bolt
Sta-Fast, supplied me with some unusual fasteners when I rebuilt Bluestocking. Bet they'll have them.
__________________
so many projects--so little time !!
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24-12-2014, 17:51
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#4
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Registered User
Join Date: Nov 2014
Location: Olympia, Washington
Boat: 1979 Mariner Ketch 32-Hull 202
Posts: 2,124
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Help finding a 190 mm bolt
SS All thread, a 1/4 coupler, rounded off and buried in the toerail. Rebung the toe rail to hide the coupler.
Pretty easy. Washer, and Nyloc Nut to hold it firm, on the under side.
Hope that gives you some ideas.
You don't ever have to use the same thing as you've found during dissassembly.
Sent from my iPad SV Cloud Duster
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24-12-2014, 18:25
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#5
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Registered User
Join Date: Jan 2011
Location: Caribbean live aboard
Boat: Camper & Nicholson58 Ketch - ROXY Traverse City, Michigan No.668283
Posts: 6,372
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Re: Help finding a 190 mm bolt
Try McMaster Carr. They often have unusual stuff. You could also consider coupling nuts to join long bolts with all-thread. Works but messy.
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24-12-2014, 18:52
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#6
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Registered User
Join Date: Aug 2006
Location: Skagit City, WA
Posts: 25,540
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Re: Help finding a 190 mm bolt
McMaster has 1/4 SS Carriage bolts to 8" long. They might fit in your tapered recess... fill with sealant. If the Square shank interferes a little you might be able to file the corners off quickly.
__________________
"I spent most of my money on Booze, Broads and Boats. The rest I wasted" - Elmore Leonard
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25-12-2014, 07:57
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#7
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Registered User
Join Date: Oct 2008
Location: Working on the new boat getting ready for first shake down cruise. Currently on the east coast of the US.
Boat: Peterson 44.
Posts: 131
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Re: Help finding a 190 mm bolt
Hmm that is a lesson on what not to do! I didn't explain myself well at all - it is in fact the sail track ON the toerail. Hence the length and the need for a completely flat head so the track can go over it without catching. But the idea of using threaded rod with a small enough nut on the top so it sits flush with the track is an idea. Thanks everyone and we will contact McMaster Carr once the xmas season is over. Oh and Merry Christmas everyone!
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25-12-2014, 08:07
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#8
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Registered User
Join Date: Jun 2014
Location: Up the mast, looking for clean wind.
Boat: Currently Shopping, & Heavily in LUST!
Posts: 5,629
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Re: Help finding a 190 mm bolt
How about using a hex head bolt, turning or filing it down to size, & cutting a slot into the heat.
Another option might be to simply use the longest bolt which you can find, & epoxy bond it in place, sans nut. If you've got 3"-4" bonded in place, the head of the bolt will tear off before the bolt will come out. Assuming, that is, that the bolt's bonded into something stronger than 6lb Foam.
If the substrata currently isn't of a high enough strength to bond a bolt into, can you replace some of it with something which is? I'm not clear on the why behind the need for such a long bolt. Particularly one so thin for it's length.
There's one catch with bonding it, & that would be getting it out later if you needed to. In which case, bond a shorter bolt in place. One that'll come out once it's heated up good.
Since McMaster-Carr's already been mentioned, how about Jamestown Distributors?
That, or just have one custom made, if having an exact duplicate is critical.
__________________
The Uncommon Thing, The Hard Thing, The Important Thing (in Life): Making Promises to Yourself, And Keeping Them.
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25-12-2014, 08:12
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#9
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Registered User
Join Date: Sep 2013
Boat: Sabre 36
Posts: 18
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Re: Help finding a 190 mm bolt
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25-12-2014, 09:51
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#10
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Registered User
Join Date: Sep 2011
Location: On a boat
Boat: 1987 Cabo Rico 38 #117 (sold) & 2008 Manta 42 #124
Posts: 4,174
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Re: Help finding a 190 mm bolt
We made our own using a tap and die set with a vice.
How to make your own bolts | Cruising World
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25-12-2014, 09:56
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#11
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Registered User
Join Date: Mar 2011
Location: St Louis, MO
Boat: Gulfstar 43 ketch
Posts: 160
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Re: Help finding a 190 mm bolt
Fastenal will custom make any fastener although if you do not need a large quantity, they would probably be pretty pricey.
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25-12-2014, 10:11
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#12
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Registered User
Join Date: Feb 2013
Location: Ocala FL
Boat: 1979 Bristol 35.5 CB
Posts: 1,964
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I win!
__________________
John Churchill Ocala, FL
NURDLE, 1979 Bristol 35.5 CB
Currently hauled out ashore Summerfield FL for refit
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25-12-2014, 11:23
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#13
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Registered User
Join Date: Nov 2010
Location: Courtenay, BC, Canada
Boat: Brent Swain design 36' steel sloop
Posts: 62
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Re: Help finding a 190 mm bolt
Probably you have already tried but how about the manufacturer of your boat or the members of www.kp44.org —The official website of the Peterson Cutter Owner's Group.
We used to install similar bolts on Sceptre Yachts but I don't think quite as long (same location) so they have to be available somewhere. Maybe Geof the owner would know where to find?? Sceptre Marine - HOME
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25-12-2014, 11:30
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#14
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Moderator
Join Date: May 2008
Location: cruising SW Pacific
Boat: Jon Sayer 1-off 46 ft fract rig sloop strip plank in W Red Cedar
Posts: 21,223
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Re: Help finding a 190 mm bolt
If you have access to a welding set, simply weld short CSFH screws to appropriate bits of all-thread. Even if you had to pay a welder, this would be less expensive than 12 bucks each!
Jim
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Jim and Ann s/v Insatiable II, lying Port Cygnet Tasmania once again.
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25-12-2014, 13:31
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#15
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Registered User
Join Date: Oct 2008
Location: Working on the new boat getting ready for first shake down cruise. Currently on the east coast of the US.
Boat: Peterson 44.
Posts: 131
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Re: Help finding a 190 mm bolt
Sanibel Sailor You do win! We will contact them as soon as Christmas is over. We had in fact emailed them but didn't find them on the site so well done you! You win our eternal gratitude and a beer or two if you wish to come to Brunswick? If not and we see you 'out there' it will be whatever drink you want.
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