epoxy
Le Mans Master
Joined: Apr 2011
Posts: 6,284
Likes: 1,170
From: Hermosa
Race Director
Joined: Apr 2011
Posts: 11,183
Likes: 3,334
From: North of Toronto - Ontario
If your going to use epoxy, mix it a little shy on the hardener so it's less brittle, otherwise it'll just split when you put a screw in. If I use expoxy, I personally like Devcon
I'd probably mix up a little short strand glass and fill the hole and re-drill, but you could use one of those clips REELAV8R showed but flatten it out and epoxy that to the back side so it doesn't show.
M
I'd probably mix up a little short strand glass and fill the hole and re-drill, but you could use one of those clips REELAV8R showed but flatten it out and epoxy that to the back side so it doesn't show.
M
Safety Car
Joined: May 2004
Posts: 4,347
Likes: 1,576
From: los altos hills california
I had to do that recently. To keep it neat I got some syringes at the drug store that I think are used for pets and injected the epoxy into the holes. Obviously they didn't have the fine tipped needle attached.
Race Director
Joined: Mar 2006
Posts: 14,112
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From: Florida
JB Weld is an epoxy more than appropriate for that.
It would then be advantageous to drill a smaller pilot hole no matter what you use.
You must mix epoxies as directed, they are not like polys where you can adjust the mix.
It would then be advantageous to drill a smaller pilot hole no matter what you use.
You must mix epoxies as directed, they are not like polys where you can adjust the mix.
Race Director
Joined: Apr 2011
Posts: 11,183
Likes: 3,334
From: North of Toronto - Ontario
I retract my suggestion on under-mixing the epoxy, your are correct, most will not allow much of a change. (The devcon 24hr stuff I've been using does seem slightly more forgiving)M
Safety Car
Joined: May 2004
Posts: 4,347
Likes: 1,576
From: los altos hills california
that's if you're lucky enough to have everything line up the same way. I know everytime I take things apart they go back a little differently
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Racer
Joined: Feb 2013
Posts: 360
Likes: 37
From: Sebastian FL
Oversized screw holes
I glue a small piece of sheet metal or aluminum behind the hole and then drill it to accept the screw. It is studier than plastic.
Team Owner
Joined: Jan 2006
Posts: 37,637
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From: Crossville TN
JB Weld stick-type (putty) epoxy is the better stuff for this kind of fix. The mixture begins in a clay-like state, but quickly hardens to a firm solid in about 5 minutes. Full cure is 24 hours; and that is the wait time before trying to drill a new hole.
Also, the cured JB Weld is not 'brittle' and will drill and/or tap quite well. The fastener used in such a repair should NOT be subjected to much torque (lightly hand tighten/snug the joint).
Also, the cured JB Weld is not 'brittle' and will drill and/or tap quite well. The fastener used in such a repair should NOT be subjected to much torque (lightly hand tighten/snug the joint).