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Jul 25, 2026 - 10:52:28 AM
223 posts since 5/1/2010

Has anyone ever used a square hole drill bit for cutting the rim?

Jul 25, 2026 - 11:18:28 AM

martyjoe

Ireland

945 posts since 3/24/2020

I drill the center of the hole with normal wood drill bit and then I square out the hole with a hole saw and a metal file. I think the square drill bits go on sale after the 31st of march, grab one for me while you’re at it.

Jul 25, 2026 - 11:23:11 AM
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92 posts since 8/13/2021

I do want to try one someday, in the meantime I've either been drilling small corner holes and then after scoring connecting lines go to work with the chisel. Also, I have drilled a larger center hole, and formed the square accordingly to match the dowel stick dimensions.

Jul 25, 2026 - 11:25:28 AM
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Owen

Canada

19557 posts since 6/5/2011

I haven't, but ....

 Machining Homemade Square Hole Drill Bit Adapter - YouTube

Jul 25, 2026 - 12:26:22 PM

cbuedel

USA

223 posts since 5/1/2010

I was gonna try and use it with my drill press.

Jul 25, 2026 - 1:50:58 PM

3555 posts since 2/18/2009

I drill the center out round and then cut the corners out with a jigsaw. It's pretty fast, but a hollow chisel mortiser would be neater.

Jul 25, 2026 - 2:22:37 PM
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banjonz

New Zealand

12879 posts since 6/29/2003

Remember, you cannot make the hole perpendicular to the rim. It has to be angled at the angle of the dowel stick

Jul 26, 2026 - 12:36:40 PM

RDP

USA

414 posts since 2/27/2009

To start the cut do Yall measure from the bottom of the dowel rod to the top of the neck squared then make the cut on the rim.

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