Kreg Pocket Hole Screw size?

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Forum topic by david51st posted 10-30-2009 07:39 PM 22494 views 0 times favorited 13 replies Add to Favorites Watch
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14 posts in 3460 days

10-30-2009 07:39 PM


I am looking to get the Kreg pocket hole system but have a question? What size screws do you need for 3/4 and 1 inch face frame work, white oak material? and is it #6,#8 fine or course? They have info on depth for drill but can not seem to find screw size.


13 replies so far

View davidpettinger's profile


661 posts in 3165 days

#1 posted 10-30-2009 07:47 PM

Fine is for hardwood, and coarse for plywood. I use #6’s for most projects, but 8’s for shop cabinets and some jigs, cause I know I’ll abuse the jig a little.

-- Methods are many,Principles are few.Methods change often,Principles never do.

View david51st's profile


14 posts in 3460 days

#2 posted 10-30-2009 07:58 PM

How long? 1 1/4?

View Rick  Dennington's profile

Rick Dennington

5805 posts in 3159 days

#3 posted 10-30-2009 08:12 PM

UnoinLabel is correct, but I’ll carry it 1 step further. Besides ply, course is also for softwood like pine, fur, etc.
I’m doing a job now, and I’m using #7×1 1/4”. These are fine threads, cause I’m using oak. If you get the K.p.h.s., it’ll have instructions in there, and tell you screw sizes and lengths to use. Hope this helps.

-- " At my age, happy hour is a crap and a nap".....

View a1Jim's profile


117062 posts in 3542 days

#4 posted 11-01-2009 03:13 AM

I would use the 1 1/4” also

-- wood crafting & woodworking classes

View davidroberts's profile


1027 posts in 3451 days

#5 posted 11-01-2009 03:18 AM

Kreg recommends 1 1/4” for joining 3/4 material. I just finished drilling about 300 holes, or was it 400, for a shelving project. I’m not using glue.

-- Better woodworking through old hand tools.

View Bob Kollman's profile

Bob Kollman

1798 posts in 3156 days

#6 posted 11-01-2009 10:09 AM

When you buy the jig it gives you all the imfo on a chart. It’s a nice system to own.

-- Bob Kenosha Wi.

View hootr's profile


183 posts in 3311 days

#7 posted 11-01-2009 01:36 PM

it’s good system with all the info included
i ususally get my screws from
big selection with shipping offers once your in their mail list

-- Ron, Missouri

View SouthpawCA's profile


270 posts in 3198 days

#8 posted 11-01-2009 10:46 PM

I had a similar question about screw size. What I was told is, use the size of screw to match the size of the smallest wood. So, if you are joining 3/4” to 1/2” use the screw for the 1/2”. However, what screw is that??? Well, here is a link that sorta tells which screw to use:

Let us know what you think.

-- Don

View Mitch Neal's profile

Mitch Neal

19 posts in 3093 days

#9 posted 11-02-2009 06:10 PM

When you decide what size and length look at MCFeelys to buy. They have got great prices if you buy in bulk. I usally get the 1000 piece box I think it was around 28-30 bucks.

-- Its not your goal, its the path you take to achieve that goal that matters.

View Rick  Dennington's profile

Rick Dennington

5805 posts in 3159 days

#10 posted 11-02-2009 07:15 PM

SouthpawCA: What I usually do is start with the 1 1/4” SRS typewhen working with 3/4” stock. Try 2 different sizes in the stock you’re working with: If 1 1/4” is too long, and starts to come through(watch it carefully), then drop back to the 1”. I think you will figure it out. Just make sure it’s a pocket hole screw, and not a wood screw—they won’t work. Hope this helps some. Trial and error—I do it all the time—- mainly error!!!!

-- " At my age, happy hour is a crap and a nap".....

View SnowyRiver's profile


51457 posts in 3445 days

#11 posted 11-02-2009 07:39 PM

I agree with Bob. There should be a chart with the tool that gives you all of the sizes and types of screws to use based on the wood thickness and type. I use it all the time…its a great tool.

-- Wayne - Plymouth MN

View Don Newton's profile

Don Newton

714 posts in 3583 days

#12 posted 11-02-2009 08:02 PM

Take a look at the Harbor Freight Pocket Hole tool that was reviewed a few times on this site. That’s the one I’m buying with my 20% off coupon. Should be around $56.00.

-- Don, Pittsburgh

View bill merritt's profile

bill merritt

203 posts in 3254 days

#13 posted 11-09-2009 07:11 PM

Has anyone tried building drawers with the jig,think I saw it in one of there ads? But not sure.

-- Bill Merritt -Augusta Ga. woodworker

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