Drill Guide for Flat-Bottom BitsComments (0)
This article is from Issue 47 of Woodcraft Magazine.
Occasionally, I need to
drill blind holes in a completed project using a Forstner or multi-spur bit to
install round magnets as cabinet catches. The problem is that it’s tricky to
guide a bit like this freehand. I’ve found that the solution is to use a guide
block that I first bore on the drill press using the desired bit. Make the block
long enough to allow clamping it to your cabinet case, panel, or other project
part. When laying out the hole, extend the centerlines beyond the perimeter of
the hole diameter to help you position the block in use by aligning it with
crosshairs on the workpiece. After boring through the block, clamp it in place
and use the same bit to drill your blind hole freehand.
Sara Ducklin, St. Paul, Minnesota
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