How to drill close to an inside edge? - Woodworking Talk - Woodworkers Forum
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post #1 of 6 Old 10-15-2017, 03:39 PM Thread Starter
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How to drill close to an inside edge?

While installing a windows blind inside the frame, I need to drill a pilot hole on the top inside frame close to the edge (about 3/4 inch from the edge). This is impossible because the power drill itself is too fat.

I ended up with a hack: I wrap the lower part of a 3/32 drill bit in tinfoil to fatten it up and mount it on a dremel tool. The dremel is slimmer than my drill so it gets the job done.

What is the normal way to do this? What if I need to drill a hole even closer to the edge of the frame?

I see some right angle drill attachment with a chuck. However, the chuck itself now is the limiting factor because I can only drill as close to the edge as the radius of the chuck. Is there such thing as a right angle (or flexible shaft) drill attachment with a small chuck? Or perhaps there are other ways to do this?
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post #2 of 6 Old 10-15-2017, 03:59 PM
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You can actually get a small chuck for your Dremel if you need to do this often. If I only have a couple to do I have a pin vise with small bits and can drill by hand. You can also drive a small nail in and pull it back out - make sure you can get it back out, though. Put beeswax on the nail first.

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post #3 of 6 Old 10-15-2017, 06:52 PM
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You have a few options. Hex Shank Drill Bits used with a Right Angle attachment or the hex shank drill bits with a drill with an offset or right angle chucks. Festool CXS, Festool T18, Bosch Flexiclick

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post #4 of 6 Old 10-15-2017, 10:22 PM
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My Craftsman Power Driver accepts octagonal drill bits. It is powerful enough to drill holes up to 1/4" in most woods. Fits very close to edges.

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post #5 of 6 Old 10-15-2017, 11:50 PM
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I have a jewler's pin vise that has multiple collets that accept shanks up to 1/8". That's plenty big for a screw pilot hole.

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post #6 of 6 Old 10-16-2017, 05:08 AM
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Also possible to get a flexible drive.
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