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WalterK
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PostPosted: Fri Jul 08, 2005 2:11 am 
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Hi Guys!!
I have been trying to set dot markers on a ebony fretboard and having a lot of fun too!!!
How do you drill holes without chipping the fretboard?
I'm using bradpoint drill bits and going very slow but I still get some chipping of the wood.
Need Help..Please.
Thanks, Walter


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John Mayes
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PostPosted: Fri Jul 08, 2005 2:27 am 
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I've never had a problem with either a pilot bit or a std. twist bit. Never
chipped out on me. Ebony is good about that.John Mayes38541.4773611111

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John Mayes
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PostPosted: Fri Jul 08, 2005 2:28 am 
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My favorite bits I have are the dewalt pilot bits... although the smaller
ones don't have a pilot

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John How
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PostPosted: Fri Jul 08, 2005 3:00 am 
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I use a 1//4" Forsner bit, it seems to give me a nice flat bottom with no chipping.

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LanceK
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PostPosted: Fri Jul 08, 2005 3:21 am 
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Bradpoint, no problems at all.

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Jim Watts
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Haven't had that problem, but you might try reinforcing the area with some CA glue prior to drilling.

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Dave Rector
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PostPosted: Fri Jul 08, 2005 3:50 am 
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Cheap bradpoint set from Harbor Freight. No problems with them so far.

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Brock Poling
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PostPosted: Fri Jul 08, 2005 3:57 am 
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Drill it backwards for the first couple of seconds then go forward. That will help with that problem.


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Michael Dale Payne
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PostPosted: Fri Jul 08, 2005 4:43 am 
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[QUOTE=Brock Poling]
Drill it backwards for the first couple of seconds then go forward. That will help with that problem.

[/QUOTE]

good tip Brock. Especialy on old dry ebony I also on ocasions use a sacraficial back-up bord over the Fb. 1/8 thk. shaped to match the FB prior to radiusing. I use small bits of double sided taple to attach it in place and clamp as close as possible each side of the hole to be drilled. This requires a good bit of pre planing and set-up. but the back up board will prevent the ebony from chiping.
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RussellR
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PostPosted: Fri Jul 08, 2005 5:05 am 
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I have never had a problem with ebony and use all manner of brad point bits, You could put on some masking tape and drill through it.

Ensure you clean the drill after each hole, though
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Jerry Hossom
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PostPosted: Fri Jul 08, 2005 5:07 am 
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Bit speed may be another issue. There is a tendancy with wood to run too slow, and with metal too fast. Wood likes fast; metal demands slow.


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RussellR
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PostPosted: Fri Jul 08, 2005 5:10 am 
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Sorry Walter me again, I just read the post carefully, did you mean you are pushing in the drill press slow or that you are running the drill bit really slow, if it is the later you could be too slow and tearing rather than cutting the wood.

Russell
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RussellR
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PostPosted: Fri Jul 08, 2005 5:19 am 
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Sorry just duplicated Jerry, but I can't type too fast Doh


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PaulB
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PostPosted: Fri Jul 08, 2005 10:20 am 
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Yeah, I agree, you want your drill bit spinning flat-out.
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Dave-SKG
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PostPosted: Fri Jul 08, 2005 10:41 am 
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Hi Walter,
I was chipping out when I drilled too slow. Trying to be super careful and tore the wood instead of drilled. Nothing that some ebony dust couldn't cure . That's beauty of ebony I don't do it by hand any more tho...made a jig and just run it down the drill press as fast as I can! ( Thanks to Sylvan! )Dave-SKG38541.8211342593

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