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Joined: March 2007 Posts: 698
Location: Cork, Ireland | A couple of machine head screws have worked loose on the AA31 which has headstock made of that fake wood stuff. I need to fill the screw holes and re-drill. Will wood filler be suitable? It seems to bond OK with the fake wood but will it be drillable and will it hold? If not, what will ? |
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Joined: November 2002 Posts: 3664
Location: Pacific Northwest Inland Empire | Bondo would be my recommendation. You can tint it before application, to match the urelite foam finish. We have a product over here, called "JB Weld", that is machineable for sanding & drilling. If you're real patient, you can keep filling the holes with SuperGlue, I suppose. |
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 Joined: January 2006 Posts: 387
Location: Whitecourt, Ab | If the holes are small, which I assume they are for a machine head screw you could put a dab of wood glue in the hole and break off a tooth pick in the hole. Let it set, and take a chisel and cut the toothpick flush with the surface. Then carefully reinstall the screw through the machine head.
This process worked for me on a stripped strap button screw on a solid body guitar which take a lot more abuse then a machine head
good luck |
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 Joined: January 2002 Posts: 14127
Location: 6 String Ranch | the tooth picks will work or wood filler. don't redrill, just slowly screw the screw back in, you want a tight fit and the foam will compress much faster than wood. |
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 Joined: December 2006 Posts: 6996
Location: Jet City | Same method worked for the screw holes on the butt end of the tailpiece on my Tornado. Must be the thing to do. |
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Joined: March 2007 Posts: 698
Location: Cork, Ireland | Originally posted by Beal:
the tooth picks will work or wood filler. don't redrill, just slowly screw the screw back in, you want a tight fit and the foam will compress much faster than wood. hmm... on the first attempt I didn't drill and it didn't work so well. Hard to get the screw started straight and then very hard to turn it resulting in the head getting rounded out and made a bigger hole in the headstock. Maybe a tiny pilot hole ? Really don't want to ruin a perfectly good guitar for the sake of a little hole. |
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Joined: March 2007 Posts: 698
Location: Cork, Ireland | This is not going well!
Pilot holes too big for small screws, but bigger screws need so much torque that the screw heads have rounded out. Probably crap screws. Managed to get one screw in and one half in and the thing works but looks crap and may not hold forever
Considering getting new machines with holes in different places and proper screws. Was thinking of ones attached to a single plate, classical style. ANy thoughts? |
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 Joined: April 2008 Posts: 2985
Location: Sydney, Australia | If you want to stay with the current machine heads (and don't ever want to take them off again) mix up some two part epoxy (Araldyte), fill up the hole with it, put the small screw in, and then clamp it in place until the epoxy sets.
That little sucker won't come loose! |
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Joined: March 2007 Posts: 698
Location: Cork, Ireland | I thought of that. But actually I think I'll just get some bigger screws na drill out the holes in the machine to take them. On the other hand, it's stable now, might just leave it alone. |
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