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  #1   IP: 104.13.213.227
Old 08-31-2018, 07:39 PM
Grant Grant is offline
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Mounting lag bolts?

I am soon to mount my replacement A4 in my Tartan 34C (rigid mount) and I need to replace 2 of the lag bolts the stick up from the engine bed. They are bronze with about an 1 and 1/8 machine thread and 2 inches of wood screw thread. 1 inch unthreaded area between the 2 different threads. 3/8 diameter. 4 inch overall length. Does anyone know of a supplier for these? Any help is appreciated. Grant.
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  #2   IP: 108.12.235.197
Old 08-31-2018, 09:17 PM
jcwright jcwright is online now
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Hanger bolts

When I built a new engine bed on our Tartan 34C, I was unable to find an exact match to the lag bolts I removed. The bolts that were the closest match were:

Hamilton Marine Hanger bolt BRZ .38 x 4.00. Mfg #112477
Jamestown Distributors Hanger bolt Sil Bronze 3/8 x 5 # FSBHB38x5

My recollection is that the unthreaded sections were less than 1".

I hope this is of some help.

Best regards,

Jack
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  #3   IP: 99.203.55.105
Old 08-31-2018, 09:53 PM
azazzera azazzera is offline
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Don’t know if they may have what you are looking for but they have a lot

Bolt depot.com
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  #4   IP: 104.13.213.227
Old 09-01-2018, 11:08 AM
Grant Grant is offline
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Jack, Thank You. I will get in touch with them Tuesday. Azazzera, I will take a look there. Thanks also. My engine beds seem good and solid, but whoever removed the old engine bent the studs, so I want to replace them. ____Grant.
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  #5   IP: 108.45.44.91
Old 09-01-2018, 02:40 PM
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edwardc edwardc is offline
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McMaster-Carr has them in stainless:
https://www.mcmaster.com/#90915A640
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Last edited by edwardc; 09-01-2018 at 04:50 PM. Reason: Corrected link
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  #6   IP: 71.215.61.53
Old 09-01-2018, 11:27 PM
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romantic comedy romantic comedy is offline
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You may want to stick a piece of dowel in the hole for the lag. It will help it not to strip. All mine stripped on my T34.
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