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3rd July 2015, 11:56 PM #1
Which Bit For 20mm - 16mm Holes on Drill Press
Hi, Which drill bit would be better suited for clean 20mm holes in 20mm thick Tassie Oak wood. Here's a a rough picture of what I'm trying to do:
Untitleweb.jpg
The wood is 20mm thick x 42mm wide.
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4th July 2015, 09:21 AM #2GOLD MEMBER
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Hi sheeny71,
The best drill to do what you want here would be a forstner bit but you will need to use a wider board so you have a centre to locate the drill. It will be a lot more difficult to drill a clean hole if not, you can use a piece of scrap the same thickness clamped together on the centre line or a wider board then sawn down the centre to achieve the same result. But either way you should get a nice clean hole with a sharp forstner better than any thing else where you would get a course edge to the hole.
Regards Rod.
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4th July 2015, 09:42 AM #3
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4th July 2015, 12:45 PM #4Member
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You could also use a router with a ball end bit. Would take some time setting up the fence but you would get a nice straight channel.
Have fun.
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4th July 2015, 01:09 PM #5
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