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Picking the right screw [gauge]

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Forum topic by Spikes posted 08-16-2018 08:05 PM 386 views 0 times favorited 4 replies Add to Favorites Watch
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Spikes

36 posts in 167 days


08-16-2018 08:05 PM

Dear all,

noob woodworker here, still working on setting up my space. I’m trying to figure out what kind of screws I should use and, as usual, after days spent asking the same question to google I find myself with a lot more information in my head, but largely the same doubts.

The main pattern I encountered boils down to:
- length should be 1/2 to 3/4 of the “bottom” piece
- gauge #8 for most things carpenterish, with some #10-#12 for larger construction jobs and #6 for “finer” woodworking (cabinets?).
- head is best if torsion or square, or hex head, avoid philips
- use stainless steel

first off, does that make any sense to you? Second, and this is the more direct question I was trying to answer… I’m screwing a 3/4×4x8’ ply panel into a bunch of metal bars on the wall to hang tools off of it… how would I choose which gauge of screws to use so that the panel won’t come off 2 months from now?

thanks as usual,

Spike

-- Don't worry about making progress, worry about practicing. If you practice you will make progress even if you don't want to.


4 replies so far

View Woodknack's profile

Woodknack

12341 posts in 2501 days


#1 posted 08-16-2018 08:38 PM

For wood to metal I would use self tapping sheet metal screws.
Wood to wood I eyeball and use whatever looks right. 90% of the time I use #8 screws. I only use #10 or larger for outdoor projects. #6 for 3/4” screws. I’ve gone over to using Spax or GRK although I have occasionally used deck screws. Only time I used stainless is on my boat.

-- Rick M, http://thewoodknack.blogspot.com/

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Rich

3551 posts in 710 days


#2 posted 08-16-2018 08:48 PM

+1 on GRK and Spax. Probably 90% of the screws I use are #8×1-1/4” which are perfect for working with 3/4” stock. That said, I rarely use screws on anything but jigs and fixtures. My furniture and cabinet projects use traditional joinery or sometimes biscuits when doing face frames. My residential doors don’t use fasteners at all, just mortise and tenon.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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wuddoc

311 posts in 3839 days


#3 posted 08-16-2018 09:53 PM

McFeely’s specializes in fasteners and I believe is now owned by McMaster-Carr.

https://www.mcfeelys.com/screw_size_comparisons

Here is further information on wood screw types including heads, points, etc. from McMaster-Carr.

https://www.mcmaster.com/#wood-screws/=1e6p6zp

-- Wuddoc

View Spikes's profile

Spikes

36 posts in 167 days


#4 posted 08-17-2018 02:27 PM

thanks guys, it’s always useful to come here and double check on stuff.

-- Don't worry about making progress, worry about practicing. If you practice you will make progress even if you don't want to.

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