Hello, I am interested in the diameters of holes to be drilled for wood screws (the pointed ones) in a 18mm furniture board - screws with an outer diameter of 4mm, the screws will be screwed in perpendicularly and parallel to the edge of the board. You can do without drilling, but you don't...

From my practice: Take a caliper. Measure the screw between the turns. This will be the diameter of the hole.

You write pointed, all winding ones customarily have a sharp end. If what you are going to screw is not a makeshift but a durable carpentry product, use chipboard or wood screws. I am writing this because the ubiquitous and cheap cardboard screws are not screws for this purpose. You can use them as a substitute. When it comes to the diameter of the drill, add a little bit more to what your colleague fig57 wrote, i.e. the diameter of the screw core plus about 10 to 20%.

For my eye, a drill with a diameter of about 2.5 mm will be a good one.

Screws called confirmates are intended for such boards There are special drill bits for these screws

So much so that when it comes to joining two boards at right angles, I don't mean something like that ... These are not confirmatory drills. In summary, you can take the diameter of the screw core, but it is best to do a few tests, a lot also depends on the place of screwing, i.e. in the edge of the board or in the forehead, distance from the edge, tightening force and length of the screw.

Selection of the drilling diameter for the screws for the furniture board?

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#1 14989337 11 Sep 2015 23:45

tomybb tomybb

Level 26

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Post #1
14989337 11 Sep 2015 23:45

Hello,
I am interested in the diameters of holes to be drilled for wood screws (the pointed ones) in a 18mm furniture board - screws with an outer diameter of 4mm, the screws will be screwed in perpendicularly and parallel to the edge of the board. You can do without drilling, but you don't want to do it.

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#2 14989426 12 Sep 2015 01:02

rys57 rys57

Moderator

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Post #2
14989426 12 Sep 2015 01:02

From my practice: Take a caliper. Measure the screw between the turns. This will be the diameter of the hole.
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#3 14989606 12 Sep 2015 09:01

Anonymous Anonymous

Level 1

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Post #3
14989606 12 Sep 2015 09:01

You write "pointed", all winding ones customarily have a sharp end. If what you are going to screw is not a makeshift but a durable carpentry product, use chipboard or wood screws. I am writing this because the ubiquitous and cheap cardboard screws are not screws for this purpose. You can use them as a substitute. When it comes to the diameter of the drill, add a little bit more to what your colleague fig57 wrote, i.e. the diameter of the screw core plus about 10 to 20%.
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#4 14989627 12 Sep 2015 09:15

mikke2 mikke2

Level 14

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Post #4
14989627 12 Sep 2015 09:15

For my eye, a drill with a diameter of about 2.5 mm will be a good one.
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#5 14993137 13 Sep 2015 19:55

mietek440 mietek440

Level 19

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Post #5
14993137 13 Sep 2015 19:55

Screws called confirmates are intended for such boards

There are special drill bits for these screws
#6 15112216 31 Oct 2015 23:11

tomybb tomybb

Level 26

» | Topic author Helpful post? (+1)

Post #6
15112216 31 Oct 2015 23:11

mietek440 wrote:
screws called confirmates are intended for such boards

So much so that when it comes to joining two boards at right angles, I don't mean something like that ...

mietek440 wrote:
There are special drill bits for these screws
These are not confirmatory drills.

In summary, you can take the diameter of the screw core, but it is best to do a few tests, a lot also depends on the place of screwing, i.e. in the edge of the board or in the forehead, distance from the edge, tightening force and length of the screw.
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