Forstner Bit - Woodworking Talk - Woodworkers Forum
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post #1 of 6 Old 08-05-2016, 04:37 PM Thread Starter
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Forstner Bit

I am assembling a rolling barn door from a kit. The door has pre-drilled holes for the hangers. I find I must recess the bolt heads to clear the door casing when it rolls. Ideally I'd like to recess the holes with a Forstner bit. However, there is no material to grab the center point. Does anyone have any tricks for drilling with a Forstner bit in a pre-drilled hole? I cannot use my drill press. Thank you.
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post #2 of 6 Old 08-05-2016, 04:45 PM
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Fill the hole with a piece of wood and your good to go.

OH, wait a minute ............Yep!.............That's what he said!

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post #3 of 6 Old 08-05-2016, 04:48 PM
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I had a similar problem with a picnic table. What I did was use the Forstner bit in the drill press to bore a hole through a scrap piece of 2x4, then clamp that to the workpiece so the hole in the board lines up with the desired location of the recess. The 2x4 keeps the Forstner bit from wandering or going in at an angle. You just have to go easy and check the hole frequently, because it's hard to judge how deep you are boring. I hope that helps!
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post #4 of 6 Old 08-05-2016, 07:03 PM
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One of the reasons why I like this sight, is all the common sense ways around seemingly tough problems. Or the "Duh, why didn't I think of that" moments.
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post #5 of 6 Old 08-06-2016, 07:37 AM Thread Starter
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Nathan, thanks much for that common sense simple answer to my dilemma. It's perfect and I'll use it.
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post #6 of 6 Old 08-07-2016, 02:00 AM
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I used the same thing to bore a hole in the cradle I made.. I had mistakenly pre-drilled a smaller hole and couldn't for the life of me figure out how to get the larger forsner bit centered over the smaller hole then the bell in my head went off.. clamp a board over the hole as a guide and ding, ding, ding! A winner! ...

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