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carriage bolt w/ torque washer v. carriage bolt w/epoxy or J-B weld

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Forum topic by WoodNSawdust posted 04-26-2015 10:03 PM 1956 views 0 times favorited 2 replies Add to Favorites Watch
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WoodNSawdust

1417 posts in 636 days


04-26-2015 10:03 PM

Topic tags/keywords: question carriage bolt torque washer epoxy

Normally when I use a carriage bolt with wood I will use a torque washer.

Today I went looking for ones for 3/8” bolts and was shocked by the price. I have had problems with carriage bolts holding (not turning) with plywood or MDF.

I was wondering if I coated the square shoulders with either J-B weld or epoxy and tightened down the bolt would that hold?

-- "I love it when a plan comes together" John "Hannibal" Smith


2 replies so far

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JoeinGa

7472 posts in 1466 days


#1 posted 04-26-2015 11:47 PM

Whenever I want to use washers with carriage bolts I use a 3-sided file to make the round holes square in regular washers. Look for washers that “ALMOST” fit and you wont have much filing to do.

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View Ghidrah's profile

Ghidrah

667 posts in 682 days


#2 posted 04-27-2015 02:31 AM

Not sure I understand the issue, I’ve driven tons of carriage bolts over the yrs and never had this problem, and until this moment never knew about carriage bolt washers.

If I use a 5/8” carriage bolt I drill a 9/16” hole and hammer the bolt in. The threads and square imbed in the wood and the bolt does not turn when the nut is tightened.

-- I meant to do that!

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