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Plug Cutter
http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=52920		 Page 1 of 1
Author:  Mike OMelia [ Sun Feb 09, 2020 3:17 pm ]
Post subject:  Plug Cutter
I got a 7mm fretboard dot slightly off center. Need a 7mm plug cutter, but so far only found 6mm, 8mm on Lee Valley, Veritas, etc. They taper 1.5 deg on a side. To grow to 7mm, I’d have to bore almost 7/8”. Can these cutters go that deep? I’d make a sacrificial board taped with African Blackwood.

Or buy the 8mm and spin sand down?
Author:  Clay S. [ Sun Feb 09, 2020 4:02 pm ]
Post subject:  Re: Plug Cutter
You can buy a fuller countersink that will have a 9/32nds diameter hole and chuck the drill bit in backwards so it will act as a plug cutter and make a 7mm plug.
https://wlfuller.com/html/high_speed_steel_sets.html

https://www.google.com/search?safe=acti ... RGo4d6BJnA
Author:  rbuddy [ Sun Feb 09, 2020 4:05 pm ]
Post subject:  Re: Plug Cutter
What about cutting out an oversize dot from a fingerboard cutoff or matching wood. Gluing it to the end of a wood dowel. Spin it in a drill against sandpaper till it fits. Saw it off the end of the dowel and should be good to go.
Author:  Ken Lewis [ Sun Feb 09, 2020 4:14 pm ]
Post subject:  Re: Plug Cutter
Router and template bushing?
Author:  SteveSmith [ Sun Feb 09, 2020 6:21 pm ]
Post subject:  Re: Plug Cutter
Mike, I'm assuming it's a fairly shallow hole, and since it's only a one-time fix, my approach would be to go with an 8mm or 5/16" (7.9mm) plug and work it down by hand just like you would an inlay.
Author:  Clay S. [ Sun Feb 09, 2020 7:35 pm ]
Post subject:  Re: Plug Cutter
If you have an 8mm plug cutter you could make an 8mm hole.
Author:  SnowManSnow [ Sun Feb 09, 2020 9:09 pm ]
Post subject:  Re: Plug Cutter
Last time I did that I had to purchase bigger dots. Then drill the larger hole to cover the smaller one:/


Sent from my iPhone using Tapatalk
Author:  Mike OMelia [ Sun Feb 09, 2020 9:31 pm ]
Post subject:  Re: Plug Cutter
Ok. I’ll get the 8mm cutter and sand to fit. Makes sense. Thanks for not making feel like a bozo for doing this screwup lol!
Author:  SteveSmith [ Mon Feb 10, 2020 7:19 am ]
Post subject:  Re: Plug Cutter
Hey Mike, it happens. Last time I screwed up a fret marker I put it on the wrong fret. Had to route out the whole area between the frets and put in new wood, fortunately it was an invisible repair.
Author:  Ruby50 [ Tue Feb 11, 2020 7:49 am ]
Post subject:  Re: Plug Cutter
If it's just one, how about just using a chisel yo eat away the shape, get it close, and tap it into the hole

Ed
Author:  Mike OMelia [ Tue Feb 11, 2020 6:36 pm ]
Post subject:  Re: Plug Cutter
Ruby50 wrote:
If it's just one, how about just using a chisel yo eat away the shape, get it close, and tap it into the hole

Ed


Not sure what u mean. But my semi-ocd side won’t allow that. Bought an 8mm plug cutter. Gonna pull the dot. Sand the ebony down to 7, redrill and seat a new dot. Maybe I should switch to 8mm dots? Yeah. That’s next.
Author:  Bri [ Tue Feb 11, 2020 7:36 pm ]
Post subject:  Re: Plug Cutter
Try this;
https://www.finewoodworking.com/2019/06 ... n-any-wood

Somewhere I bought a drill bit that matches the taper of a pencil sharpener.

B
Author:  Barry Daniels [ Wed Feb 12, 2020 9:24 am ]
Post subject:  Re: Plug Cutter
Bri wrote:
Somewhere I bought a drill bit that matches the taper of a pencil sharpener.

B


Yeah, I had seen that bit before and then went looking online for it a few weeks ago for a project. I could not find it at any of the normal woodworking outlets. It may be out of production. If anyone knows where it is sold, please let me know.
Author:  bionta [ Wed Feb 12, 2020 9:36 am ]
Post subject:  Re: Plug Cutter
Barry Daniels wrote:
Bri wrote:
Somewhere I bought a drill bit that matches the taper of a pencil sharpener.

B


Yeah, I had seen that bit before and then went looking online for it a few weeks ago for a project. I could not find it at any of the normal woodworking outlets. It may be out of production. If anyone knows where it is sold, please let me know.



Maybe this?
https://www.highlandwoodworking.com/tap ... l-bit.aspx
Author:  Barry Daniels [ Wed Feb 12, 2020 10:10 am ]
Post subject:  Re: Plug Cutter
Hi Robert. That is not the one. The reamer had the same taper as a pencil sharpener. Thanks anyways.

I think it was carried by Lee Valley, but they don't have it anymore. I will send them an email to see what they know.
Author:  Barry Daniels [ Wed Feb 12, 2020 10:21 am ]
Post subject:  Re: Plug Cutter
I found it at Veritas but it is no longer available.

http://www.veritastools.com/Products/Page.aspx?p=152
Author:  Mike OMelia [ Wed Feb 12, 2020 4:53 pm ]
Post subject:  Re: Plug Cutter
That is an interesting idea. But it wouldn’t work. Don’t want end grain, and would need ebony (African Blackwood ) dowels.
Author:  Bri [ Wed Feb 12, 2020 6:19 pm ]
Post subject:  Re: Plug Cutter
Actually, this would work fine.
Get a piece of 3/8” dowel, glue a piece of your finger board scrap to the end, sand to the diameter of the dowel and sharpen. You might try stacking the scrap pieces to get a bit more thickness to play with. No end grain.
You do need a good quality pencil sharpener to get a clean cut.

B
Author:  Mike OMelia [ Thu Feb 13, 2020 6:46 pm ]
Post subject:  Re: Plug Cutter
Ok, I see ur point. I might try this. 3/8” is 2mm big, would seem straightforward to do
Author:  Mike OMelia [ Sat Feb 15, 2020 5:02 pm ]
Post subject:  Re: Plug Cutter
So, I bought the 8mm plug cutter from Lee Valley. I cut 2 plugs from some scrap ABW about 3/16". Plugs are tapered, so I used CA to glue fat ends together, then chucked in one of my drills, then used a scraper with sandpaper glued to it (a favorite tool!) and a file to get it to right diameter. Glued and clamped in hole (after checking grain direction). Sanded down, redrilled, set a new marker. You cannot tell I did this. THanks!!
Author:  SteveSmith [ Sat Feb 15, 2020 5:49 pm ]
Post subject:  Re: Plug Cutter
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