This is a pretty good and fast curing epoxy. I have used it on the threads of some of the bolts I have fitted to my boat's transom and expect them to be strong and well sealed with this material. my boat With the right studs for the application, I find it is just as strong, if not stronger, than driving a screw into fiberglass. I would like to point out one thing: this material is black. The packaging doesn't mention the color I saw and from the outside you would think this material is white. I will reiterate that this epoxy is black so keep that in mind when purchasing.
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