Pocket hole joinery question

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Forum topic by Allen posted 08-30-2007 06:23 PM 1375 views 0 times favorited 6 replies Add to Favorites Watch
View Allen's profile


43 posts in 4246 days

08-30-2007 06:23 PM

I’ve been looking and darned if I can find the answer to this question, so I’m turning to the experts…

I have a Kreg R3 pocket hole jig (the one with the sliders on the sides to adjust for the thickness of the material).

If I’m joining two pieces of wood that are not the same thickness, one piece is 3/4” the other is 1/2”, do I use the setting on the jig and select the screw size based on the thicker board or the thinner one?

If it makes any difference, the pocket hole will be drilled into the thicker board.
I would assume I’d use the setting on the jig for the thicker board so that the hole is centered on the edge but should I use a screw made for the thickness of the thinner board? If I use a screw for 3/4” thick material I’m afraid I’ll end up driving it straight through the thinner piece.

Thanks as always for suggestions!

-- We may never know who let the dogs out, but I'd bet anything PETA was involved.

6 replies so far

View RobS's profile


1334 posts in 4482 days

#1 posted 08-30-2007 06:29 PM

Not that I know the answer you are looking for, but I think it would be important to know how you want the two boards to line up. Center to center, so there is a lip, or step down on each side? Or will the faces be flush on one side, with the big lip on the opposite side?

-- Rob (A) Waxahachie,TX

View spoon's profile


5 posts in 4098 days

#2 posted 08-30-2007 06:56 PM

I think you are on the right track with centering the hole on the end thing. If I were worried about a screw poking through I would cut the tip off. Make sure start the hole with a good screw, then switch it out.


-- --Spoon

View mot's profile


4918 posts in 4212 days

#3 posted 08-30-2007 07:15 PM

Use a 1” screw and put the pocket in the 3/4” board with the 3/4” setting. Use a test piece first though, just in case.


-- You can discover more about a person in an hour of play than in a year of conversation. (Plato)

View Karson's profile


35140 posts in 4576 days

#4 posted 08-30-2007 09:31 PM

Yes you use the screw size that is tailored for the thinner board.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Appomattox Virginia †

View Thos. Angle's profile

Thos. Angle

4444 posts in 4137 days

#5 posted 08-31-2007 03:59 AM

Listen to Karson and Tom.

-- Thos. Angle, Jordan Valley, Oregon

View dennis mitchell's profile

dennis mitchell

3994 posts in 4490 days

#6 posted 08-31-2007 06:49 PM

I’m thinking forget the screw thingy and go with double sided sticky tape!

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