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How to drive screws into wood

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Forum topic by 12strings posted 477 days ago 1226 views 0 times favorited 27 replies Add to Favorites Watch
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12strings

374 posts in 987 days


477 days ago

Any technical tips & tricks on how much to tighten screws, whether for hardware, assembly, or whatever. I usually feel like I could easily hand tighten most screws enough to strip them right out, which obviously not what I want to do.

Everyone just says “don’t over-tighten.” So…

Is it just experience?

If you hear wood crunching or tearing is that the right place to stop, or is it already too far?

Thanks!

-- I'm strictly hand-tool only...unless the power tool is faster and easier!


27 replies so far

View doubleDD's profile

doubleDD

2336 posts in 646 days


#1 posted 477 days ago

I would have to say it a combination of everything you were told. I personally use screw wax, a soft based beeswax for most hardwoods that I work with. It helps the screw go in easier and with less chance of it breaking. Also the larger the thread on the screw the larger the hole I would pre drill. Hope that helps you out.

-- --Dave, Downers Grove, Il. When you run out of ideas, start building your dreams

View Craftsman70's profile

Craftsman70

241 posts in 728 days


#2 posted 477 days ago

Don’t use drywall screws for wood, especially hardwood as they tend to break off much easier.

View darthford's profile

darthford

532 posts in 527 days


#3 posted 476 days ago

Drill proper size pilot holes and anything below #10 I use stainless.

View runswithscissors's profile

runswithscissors

897 posts in 628 days


#4 posted 476 days ago

When you get to be old and weak like I am, you won’t have that problem.

View Picklehead's profile

Picklehead

550 posts in 532 days


#5 posted 476 days ago

When driving brass hardware screws, use a non-brass screw of the same size first, then remove it and replace it with the brass screw. Brass is really soft, and the screws will “lose their heads”, followed shortly by your doing the same!

-- You've got to be smarter than the tree.

View johnstoneb's profile

johnstoneb

622 posts in 775 days


#6 posted 476 days ago

everybody has contributed good ideas. It comes down to experience you have to strip a few out and break a few to learn what works. When I worked as a mechanic we used to say , you tighten it until it strips then back off a half turn. Obviously you didn’t do that but the idea was you tighten just short of stripping. In metal you can use a torque wrench but in would it comes down to feel.

-- Bruce, Boise, ID

View grfrazee's profile

grfrazee

322 posts in 742 days


#7 posted 476 days ago

Also, don’t use an impact driver with solid brass screws. Find a steel screw of the same size/thread and screw that one in first. Then back the steel screw out and hand-screw the brass one in.

I didn’t know about the steel screw trick when I built my folding chairs, so I lost a couple half-way through drilling them in. Had to get creative on covering up that mistake.

-- -=Pride is not a sin=-

View chrisstef's profile

chrisstef

10431 posts in 1609 days


#8 posted 476 days ago

A little bit of beeswax on the threads goes a long way too.

-- "there aren’t many hand tools as awe-inspiring as the #8 jointer. I mean, it just reeks of cast iron heft and hubris" - Smitty

View SamuraiSaw's profile

SamuraiSaw

442 posts in 567 days


#9 posted 476 days ago

Pilot holes are essential, especially in hardwoods. But even in softwoods a pilot hole will prevent wood splitting and preserve the head of the screw. It is not necessary to tighten a screw to the point the head is burying itself in the material, the head should be snug in the pilot hole recess.

Using a lubricant on the screw, especially in hardwoods, is another requirement. I use beeswax, parafin, and even bar soap in a pinch.

-- Artisan Woodworks of Texas.... www.awwtx.com

View madts's profile

madts

1236 posts in 942 days


#10 posted 476 days ago

I always use glue when I can. Then the screws are just use to align the parts. That way over-tightening is seldom a problem.

-- Thor and Odin are still the greatest of Gods.

View bbc557ci's profile

bbc557ci

541 posts in 677 days


#11 posted 476 days ago

A little bit of beeswax on the threads goes a long way too.

Yep. And I’ve used an old bar of soap before, which worked just fine. Lube and pilot holes are the best IMHO.

-- Bill, central NY...no where near the "big apple"

View DS's profile

DS

2131 posts in 1023 days


#12 posted 476 days ago

My drill/driver has a clutch. I know that certain screw types, certain woods and screw lengths have different clutch settings and I’ve learned them over ther years.

I use pilot holes in finished and/or hard wood. I use wax on the threads if it will be a long drive into hard wood (an old candle of my wife’s works well). I’ve seen impact drivers handle stuff that my basic drill/driver couldn’t touch.

Brass screws are always in a pilot hole, waxed and driven with a handheld screwdriver. My drill has too much juice for that kind of delicate work. A good titanium-tipped #2 Phillips with a comfortable handle will be the best $20 you ever spent, IMHO.

Trial and error is a good teacher. Unfortunately, the “error” part can be frustrating, but you start to get a feel for things that way.

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

View Grandpa's profile

Grandpa

3051 posts in 1278 days


#13 posted 476 days ago

A good cheap source for wax is toilet rings. They sell pretty cheap and are large. I needed some wax to carry in my drill bag. I bought some Australian bees wax in the hair dressing section of a Jewel super market store. This had bottle with screw on caps and even smelled good.

View Dallas's profile

Dallas

2857 posts in 1090 days


#14 posted 476 days ago

-- Improvise.... Adapt...... Overcome!

View MT_Stringer's profile

MT_Stringer

1805 posts in 1834 days


#15 posted 476 days ago

I have just about wore out a bar of Irish Spring! :-)

-- Handcrafted by Mike Henderson - Channelview, Texas

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