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  #1  
Old 06-17-2009, 10:42 PM
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Staplok button misfit

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I put Dunlop straplok buttons on my SB14, but they keep coming loose. I don't think I need to re-drill, because the hole's long enough. When I screw them in they're real tight. I've thrown a bunch of toothpick bits, but that's not helping either. Any suggestions?
  #2  
Old 06-17-2009, 11:57 PM
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Glue on the toothpicks and wait awhile.
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Old 06-17-2009, 11:59 PM
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Glue them to what? What kind of glue? Dab the toothpicks in glue, then stick them in there and screw it?
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Old 06-18-2009, 05:10 AM
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Did you use the screws that came with the Dunlop straplock kit?

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  #5  
Old 06-18-2009, 05:42 AM
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I've found filling the hole with plastic wood and re-drilling works well.
  #6  
Old 06-18-2009, 09:57 AM
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Hmm, the Dunlop screws have threads with a bigger bite than Schallers (one of the many reasons I much prefer Dunlops after using both for a long time). I'd guess the pilot hole was too big (not deep, but diameter).

Take the screws out, and using some compressed air, clean out the hole. Then put a small amount of baking soda (i.e. Arm & Hammer) in the hole, about enough to fill it 1/3 5to 1/2 way. Drop a dab of super glue into the hole. It'll "poof" and harden. Repeat until the hole is filled. Let it set for about an hour.

Redrill the pilot hole wth a bit that's just about or UNDER the size of the shank of the screw. Hold the screw and the drill bit up to the light together. If the bit obscures the entire shank under the threads, it's too big. Carefully drill a new pilot hole, and then install the screws, taking care not to over-tighten them.

You could just put some carpenters' glue on the toothpicks, stuff 'em into the hole and let the glue set up overnight, but my experience is that the toothpicks do eventually break and the screws loosen up again. The super glue/baking soda trick (I learned it from John Carruther's column in Guitar Player back in the '80s) makes a nice permanent repair. Just make sure you don't try to fill the hole too much at a time. The glue has to be able to permeate all the soda for it to set.

jte
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  #7  
Old 06-18-2009, 10:02 AM
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I have the same problem with my dunlops. I was playing a show and didn't realize that the screw had backed out quite a ways. Half way through the show the screw broke and I had to play the rest of the show sitting down.
  #8  
Old 06-18-2009, 10:19 AM
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Quote:
Originally Posted by JTE View Post
Hmm, the Dunlop screws have threads with a bigger bite than Schallers (one of the many reasons I much prefer Dunlops after using both for a long time). I'd guess the pilot hole was too big (not deep, but diameter).

Take the screws out, and using some compressed air, clean out the hole. Then put a small amount of baking soda (i.e. Arm & Hammer) in the hole, about enough to fill it 1/3 5to 1/2 way. Drop a dab of super glue into the hole. It'll "poof" and harden. Repeat until the hole is filled. Let it set for about an hour.

Redrill the pilot hole wth a bit that's just about or UNDER the size of the shank of the screw. Hold the screw and the drill bit up to the light together. If the bit obscures the entire shank under the threads, it's too big. Carefully drill a new pilot hole, and then install the screws, taking care not to over-tighten them.

You could just put some carpenters' glue on the toothpicks, stuff 'em into the hole and let the glue set up overnight, but my experience is that the toothpicks do eventually break and the screws loosen up again. The super glue/baking soda trick (I learned it from John Carruther's column in Guitar Player back in the '80s) makes a nice permanent repair. Just make sure you don't try to fill the hole too much at a time. The glue has to be able to permeate all the soda for it to set.

jte
Good idea but a word of caution: The resulting patch / repair / plug may be harder than the surrounding wood. You may want to consider using a small hand drill (Dremel, etc.) for better control as the drill bit will have the tendency to "skip" off the harder surface and burrow into the surrounding softer wood. Here's a trick that's worked for me: Plug the existing screw hole with super glue / baking soda, marine epoxy, JB weld, whatever you want but before it has a chance to set up, insert a round toothpick dead-center and allow the plug to cure. Trim the toothpick flush with the plug and redrill. The drill bit should follow the route of the softer "sacrificial" toothpick.

Riis
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  #9  
Old 06-18-2009, 10:23 AM
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CRAFTY!!! That's a great idea!!
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  #10  
Old 06-18-2009, 10:49 AM
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Great input. Thanks so much fellas. To answer an earlier question, yes it is the same screws that came with the straploks.
  #11  
Old 06-18-2009, 11:02 AM
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The superglue methods work excellent, but I've never found a need to completely plug a hole solid with glue.
I simply dab or dribble superglue on the old threads inside the hole so the glue wicks into the wood and hardens the threads up.

But be careful not to get any glue "spiderwebs" strung across the finish of the bass, it will not come off!
  #12  
Old 06-18-2009, 11:11 AM
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Originally Posted by Caca de Kick View Post
The superglue methods work excellent, but I've never found a need to completely plug a hole solid with glue.
I simply dab or dribble superglue on the old threads inside the hole so the glue wicks into the wood and hardens the threads up.

But be careful not to get any glue "spiderwebs" strung across the finish of the bass, it will not come off!
Is this superglue by itself or are you able to incorporate the baking soda? The resulting reaction supposedly provides a harder, more durable repair.

Riis
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  #13  
Old 06-18-2009, 12:49 PM
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Quote:
Originally Posted by Zooberwerx View Post
Good idea but a word of caution: The resulting patch / repair / plug may be harder than the surrounding wood. You may want to consider using a small hand drill (Dremel, etc.) for better control as the drill bit will have the tendency to "skip" off the harder surface and burrow into the surrounding softer wood. Here's a trick that's worked for me: Plug the existing screw hole with super glue / baking soda, marine epoxy, JB weld, whatever you want but before it has a chance to set up, insert a round toothpick dead-center and allow the plug to cure. Trim the toothpick flush with the plug and redrill. The drill bit should follow the route of the softer "sacrificial" toothpick.

Riis
Cool and very simple solution to that potential problem. I haven't done this in about 10 or more years, so I'd forgotten about the potential drilling issue.

jte
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  #14  
Old 06-18-2009, 12:55 PM
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They make these plastic anchor things that I use. Fit them into the hole and when you screw in the screw the plastic thing expands. After that your screw will never come out again, until you want it to.
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  #15  
Old 06-19-2009, 01:38 AM
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Quote:
Originally Posted by MatticusMania View Post
They make these plastic anchor things that I use. Fit them into the hole and when you screw in the screw the plastic thing expands. After that your screw will never come out again, until you want it to.
I thought about this. But I didn't know if I could get an insert that small. That's what she said?
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