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Author Topic:   Repair of screw holes
tweaver posted 08-27-2002 02:20 PM ET (US)   Profile for tweaver   Send Email to tweaver  
I was curious if anyone knew a good method to repair bow rail bracket screw holes. I have a couple stainless screws that have pulled out of the fiberglass and there's no "meat" left to screw back into. Is there any proven way to fix these holes so I can reuse them and reattach the rail brackets?
JBCornwell posted 08-27-2002 02:34 PM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
There are several proven ways to solve that common problem, TWeaver.

Do a search for "screw holes", get a cup of coffee and enjoy.

Red sky at night. . .
JB :)

ShrimpBurrito posted 08-27-2002 03:23 PM ET (US)     Profile for ShrimpBurrito  Send Email to ShrimpBurrito     
The best method I've used in repairing screw holes is this:

1) drill the hole out to at least 1/8", preferably 3/16"
2) get a pack of a zillion bamboo skewers for $1 at the grocery store
3) rub the skewer around in some epoxy, insert into hole till it stops, and cut the top off (a chisel works nicely).
4) repeat step 3 until you fill the hole with pieces of skewer that are as long as the hole is deep. You'll have to gently tap the last piece or two in. The blade of the chisel provides just enough force.

When the epoxy dries, give it a final cut with the chisel to make it flush with the surrounding surface. You will have restored the wood to at least the strength of the virgin material, and possibly stronger. The bamboo, as a stringy wood, will hold screws better than wood plugs because it won't crumble or strip nearly as easily.

Bigshot posted 08-27-2002 03:59 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
toothpicks work great for a cheap temporary fix.
Capt_Tidy posted 08-27-2002 05:28 PM ET (US)     Profile for Capt_Tidy  Send Email to Capt_Tidy     
wooden golf tees are also pretty handy... add a little epoxy on the screw and forget about it (and ever removing it again).
fjjpal posted 04-15-2003 12:04 AM ET (US)     Profile for fjjpal  Send Email to fjjpal     
Thank you all for your help. I'll let you know how I make out.
tarracott posted 04-15-2003 04:13 PM ET (US)     Profile for tarracott  Send Email to tarracott     
Is this how you would reccomend filling screw holes in the transon beneath the waterline (from an old depth sounder?
lhg posted 04-15-2003 04:58 PM ET (US)     Profile for lhg    
To fill transducer screw holes, drill out the transom wood 1/8" diameter, and countersink bevel the gelcoat/fiberglass to make a tapered hole, leaving the roughed-up edges. Insert a glued dowel into the transom wood as a filler, leaving beneath surface, and use matching Spectrum gelcoat paste to fill in the countersink bevel. Sand and polish. The countersunk surface bevel is important, as it provides the necessary bonding surface for the gelcoat.

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