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Old 04-29-2009
floatsome floatsome is offline
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Screws into fiberglass

I have some deck hardware that uses screws not through bolts (eg, new dodger canvas hold downs). What is the best method to insert the screws into fibreglass? (Where there is balsa core, I plan to drill/ream/pot as usual with hardened epoxy.)

In solid epoxy, is the idea to drill a pilot hole the same diameter as the screw shaft, dip the threads in epoxy and gently drive the screw?

An alternative might be to drill a slightly larger hole in the solid epoxy, bed the screw in wet epoxy in the right position after lighly dusting the threads with wax, back out the screw after the epoxy sets and then install the hardware. But I have been experimenting with that in spare pieces of fibreglass, and find it fussy and difficult.
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