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Loughla 7 hours ago

WD-40's advantage is that it's not terrible to get on your skin when you're out working, and it's cheap.

The people who use it are looking for cheap, mostly.

Source: farming. We have many different lubes and penetrating products for when we're in the actual shop, but in the field, nothing beats wd-40 for getting back to work fast, or unsticking some shit when all you have is a hammer and you just know when that fucking bolt comes loose it's going to throw rust and dirt all over your face.

giancarlostoro 4 hours ago | parent | next [-]

The caveat is use the right one for the right job. There's a meme that if its not moving but its supposed to you need WD-40... well you need Silicone WD-40 or any silicone based oil like for a garage. If you use regular WD-40 in a garage it is a degreaser essentially, and your squeaking goes away momentarily, and then comes back. After I learned this, you have no idea how much silicone WD-40 I had to put in my garage to make the squeaking stop for good.

sidewndr46 6 hours ago | parent | prev | next [-]

I'm unsure what your definition of "cheap" is for WD-40 but I find it to be very overpriced. If I need a universal lubricant that is readily available and cheap, I just use used motor oil.

umvi 6 hours ago | parent | next [-]

I thought WD-40 was more a solvent than lubricant

steve_adams_86 5 hours ago | parent | next [-]

Yeah, it mostly evaporates and only leaves a thin film behind. It's better than nothing if there's no lubricant in place, but will actually make things worse if there is a functional lubricant in place.

Telemakhos an hour ago | parent | prev [-]

The WD in WD-40 stands for "water displacer." It makes water go somewhere else. Secondarily, it is a solvent, and it's great for dissolving glues, like the glue used to affix government-issued tax licenses to automobiles. It's not really a lubricant, but in a pinch it can temporarily function as one.

I like Swiss army knives, but they collect lint and gunk from my pockets. I use WD-40 to dissolve gunk, and to drive out water after an ultrasonic bath, but I lubricate with the light machine oil used for barber's clippers.

ungreased0675 2 hours ago | parent | prev | next [-]

Used motor oil isn’t sold in aerosol cans with a little red straw for precision application. You aren’t just buying the liquid.

Scoundreller 5 hours ago | parent | prev | next [-]

Motor oil doesn’t spray too well.

(Yes, you can buy bulk wd-40 liquid and put into a branded or unbranded sprayer)

bluGill 4 hours ago | parent [-]

Sparying oil is bad - it just collects dust. Oil what needs oil only

Scoundreller 3 hours ago | parent [-]

I’m okay with dust on the overspray. Keeps the salt off.

interstice 6 hours ago | parent | prev [-]

Isn’t that carcinogenic?

sidewndr46 6 hours ago | parent | next [-]

Isn't a pretty wide range of products you'd use for this? I guess vegetable oil isn't and it works fine. Fluidfilm I don't think is either. I wear PPE for this reason however.

legitster 6 hours ago | parent | prev [-]

Only if it's used and only if it's ingested.

Clean motor oil is not actually that harmful if swallowed - it only carcinogenic because of all the metals and carbon it builds up when in the motor.

gerdesj 5 hours ago | parent [-]

"I just use used motor oil."

Used, not clean.

denkmoon 4 hours ago | parent [-]

Better not lick the bolts then

torginus 5 hours ago | parent | prev [-]

Before I got serious with fixing and building things at home, WD-40 was a catchall panacea you sprayed on stuff to make it work.

cratermoon 4 hours ago | parent | next [-]

If it moves and it shouldn't: duct tape

If it doesn't move and it should: WD-40

wombatpm 40 minutes ago | parent [-]

If it jams, force it. If it breaks it needed replacement anyway.

Xerox9213 4 hours ago | parent | prev | next [-]

Not only does WD make something work, it makes it smell good, too!

_kb 4 hours ago | parent [-]

https://smellslikewd40.com

steve_adams_86 5 hours ago | parent | prev | next [-]

It was, but it still is, too

knowitnone3 4 hours ago | parent | prev [-]

sprayed on motherboard and ssd. didn't work at all

edm0nd 4 hours ago | parent [-]

silly goose, everyone knows you have to use fresh lemon juice on motherboards and ssds. the electrolytes from the lemon help speed up and cleanse the circuitry.

wombatpm 39 minutes ago | parent [-]

And it will remove excess fat from the zeros so the move faster down the wires