How do the manufacturers of that assemble-at-home furniture (mainly desks, I guess) make the pits that the _

pooh bear , Wednesday, 11th of August 2010 05:09:21 PM

cam connectors sit in where they get spun around the cam bolts, without

pooh bear

drilling the kind of small holes all the way through that I'd end up

Registered User

drilling with one of my spade bits because of the tip in the middle?

Joined: Thursday, 29th of April 2010, 18:32:50

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The kind of pit the manufacturers drill or cut has a flat bottom

Posts: 998

and does not have any spot that pokes all the way through or even indents

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beyond that. l need to recreate those pits because part of the board wall
around the perpendicular pits--where the cam SCREWS sit--got torn out. As
deep as the wider cam pits have to be to accept the cam connectors, the
spade bit would be guaranteed to poke its little tip all the way through
the board. Yes, l could do this with one those, but I'd prefer to avoid
the poke-through hole if l can. How would l do that? What kind of bit does
that? Or is it a whole different kind of tool?

Even an extra-big
traditional twist bit would leave a cone-shaped dip in the bottom of the
hole. This would not be noticeable visually (from the other end of the
board or from the cam end once the cam is inserted), but it might make the
pit less stable mechanically, because l think the cam prefers a flat
surface to rest against. Agreed?

Would not even a Forstner bit
drill a little tip hole all the way through in the center? Even that kind
of bit has a little screw tip in the middle that l think might poke all
the way through.

Even a hole saw does not work its magic
without having to cut all the way through, because there is no way to cut
across the bottom of a pit with one of those. Even those do have twist
bits in the middle, anyway.

So... what in the world do these
guys use?

Will you come back and see my responses to your
, please?

Thanks,
Mike Christensen
Oh, do they use a
router? Is there a kind of router bit that can make a cylindrical pit with
a sharp (right-angle) edge whos bottom is flat all the way across without
any through-holes?
Hey, Slamm, thanks for your answer. Well, upon
closer inspection of my cam pits, l think l DO see a little center dent
that might've been poked by the starter tip of a Forstner bit. And by the
way, l guess not all Forstner starter tips are screws. l just looked up
some pictures of them to refresh my memory and some some just have a
little tiny tip without any room for screw threads. So yeah, l guess l
could try a Forstner bit. l bet it would actually work.

My dad
was suggesting a milling head and asking the store how those milling heads
start their holes. But yeah, now l do bet a Forstner bit is what would
work here.
Oh, yeah, after going to the store and the Wikipedia and
looking at different kinds of drill bits, I've found that when l was
thinking of the kind of bit with the screw-tip starter center, l was wrong
for calling those Forstner bits. l guess those are called center bits, and
while apparently similar to Forstners according to my untrained eye, are
certainly different. So l found an actual Forstner bit at the store and
bought it. Yes, its starter tip is only a little bud, and that wo not be a
problem for me, especially since that apparently must be what they use in
this furniture.

Thanks for your reassuring answer,
though.:)

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Lady Grey , Thursday, 12th of August 2010 03:44:27 PM

Forstner bit was my answer. I would have to go out to my truck

Lady Grey

and look but i would swear i have drilled the type of hole you are talking

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about with one.

Joined: Monday, 7th of June 2010, 18:44:29

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