Ⓕ Removing Zinc Coating For Black Oxide Coating (Hardware Cold Bluing)
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- čas přidán 2. 04. 2020
- Painting your hardware is so last Saturday - strip zinc off your hardware like your ambition was stripped from you after that 1st grade spelling bee - live long and posper
oh yeah, the linky things:
like anyone reads these things - and look...here you are ;) - so, without further adieu,
Citric Acid - amzn.to/2Rbf9jA
Bluing Solution - amzn.to/2RauLUt
Bluing Solution Gallon (and other metals) - amzn.to/39JP0P4
dihydrogen monoxide - what her
powerhead screws - amzn.to/2UXs49V
bacon bandages - amzn.to/2UYldwP
gun bluing, cold bluing, hot bluing, or any other Smurf related activity... god speed
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Removing a zinc coating for a black oxide cold bluing coating is a great way to blacken nuts, bolts, and screws.
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I've used this process a lot on tables I've built that have a more industrial look to them. I take it to a stupid level though and grind the markings and branding off of bolt heads before doing this, for an extra clean detail. Good video!
Yeah I like chucking screw and bolt heads in the drill press and coming down on sanding blocks. Gives a nice machined look.
Love the beginning of the video... Thanks for speaking clearly and in plain english. So easy to hear what you are saying.
I do what I can with my hardware coating videos
I am SO glad you are posting more.
thanks Steve - means a lot to me
Really glad to see you posting more often again Nick. You always post unique interesting stuff... I really look forward to your videos. Thank you. Apcto
thanks much - I really appreciate you saying that
Great seeing you more often. You are always showing us the type of content one may not expect on a woodworking channel!
Stay safe!
thanks much! - I think that's thanks to my wife - I never what to show and she normally is the one convincing me to show whatever
I kinda figured as much. Nice touch looking into the camera to check to see if we are all here. Do you still/ever do your podcast?
Thanks Nick! I definitely learned something from this video. I will be using the process in the future.
Super cool Nick. Great to see some new, goofy, useful content! Cheers, C.
Thanks Chris - glad someone is liking it
After learning woodworking, Robinson Square, Hex and Torx are my go-to screws. I rarely use Philips anymore. They cost more yes....but the amount of grip the screw designs are incomparable to Phillips; stripping, etc.
Philips were designed to strip. Henry Ford invented it so they would strip before they were tightened to much when building his cars
Travis Abel yup. Know your history.
Underrated channel Nick. You deserve more views and subscribers. Great content sir!
Thanks Jackie,
- signed,
The dude
This is an awesome tip that I’ll definitely be using thanks nick!
no problemo
Exactly what I was looking for. Thanks.
Glad I could help
Great video. Always wondered how this was done. Mahalo for sharing! : )
well know you know - Noʻu ka hauʻoli
citric acid is also widely used to coat a lot of sour candy , awesome vid...
Greetings from the Great White North. Great ideas, Nick. Thanks for sharing, it sure beats poking the screws into to a piece of cardboard and painting them black and hoping there is not too much paint in the square hole. Take Care, Stay Safe.
sure does! thanks much my northern neighbor
I'll have to try this again with some of my current screws and get the bluing solution. I was going to use a blowtorch and submerge it in motor oil, but this looks safer
I knew this was a thing I'd just never seen it happen before. Neato!
and it's super simple
I simply use the Concrete & Metal Prep made by Klean Strip, sold at Home Depot or just about any place. I use it on my table saw once it starts building surface rust from cold rainy days. But it's very strong so I only dip parts in for a few minutes 3- 5 minutes, 5 - 10 minutes. Any rusted fasteners (nuts, bolts, etc.) also gets cleaned up very fast. Muriatic Acid also works just as well, & just as fast...just a few minutes & not over night.
Hi Nick :-) Thank you for sharing :-) Do you notice any corrosion problem after some time? BTW, warm water speeds up the process with citric acid. You can also add baking soda to the water, which neutralizes the effects of acid.
Thanks. Great info 👍
Great information Nick. Appreciate you posting more often. BTW, I made your table saw sled and miter attachment a couple years ago. Works perfectly and is 0.0001 from being exactly perfect. Close enough for me.....lol.
Dang, that's awesome! Hopefully you get to use it often
Awesome video!!!
Wizardry !! Sorcery !! Alchemy !! Next thing you know, he'll be turning gold into lead !! :P lol
I love these tips and tricks videos !!
DAVE!!! You stole my comment!!
ROB!! Early worm gets the bird!! lol
@@KSFWG That's some kind of worm! Note to self: If visiting Russia, beware the bird-eating worms.
thanks Dave - does the heart icon show next to your saw blade? I'm discovering all sorts of new features here on the tubes lol
Nope. No heart next to my saw blade. But I still liked the video just the same. :)
Nice thing about citric acid is that the stuff is pretty harmless as long as you use common sense, so it's very beginner-friendly.
Nice. I've always used vinegar because it is so cheap and readily available. But like you said, it is tougher to time it correctly with vinegar.
exactly - either way gets the job done - results are results
77 and still learning. Thanks Nick. The only thing missing was the mad scientist garb with the wild hair. See ya. JimE
learn something new every day is a great approach to life - as always, thanks for watching JimE
Thanks for the vid!! How do you safely dispose of the citric acid w/ the zinc in it?
Good info Nick Thanks
you are more than welcome - thanks for watching - you haven't missed many of mine
Great work man 👍🏻 Bro pliz tell me what things are you using for this process pliz mention your liquids name by name
This looks faster than vinegar, I usually throw in the hardware and leave it till the next day. I use a product from Sculpt Nouveau called "Black Magic Patina". They have all different types of colors of patina's if you ever look for different color.
That will be because Citric Acid is more reactive than Acetic Acid, otherwise known as Vinegar...
thanks for the reminder - I added that to the description - larger sizes and for various metals
Thanks that’s great
Hey Nick!
Great video - just what I needed for a little project. I don't know if you have experience with bluing by heating the screws and dropping them in oil?
The bluing acid is not so easily to get in my country so I was thinking if the results are about the same?
- Ras
Thanks - I’ve done it before but that’s outside the scope of this video - I’m sure there’s info out there in it - every technique has its pluses and minuses - I know a lot of woodworkers don’t like having open flames in their shop but if you’re careful it’s a fairly well used technique as well - plenty of folks get good results with it
👍 Nice thing to know!
HEY Nick. I was wondering with this process do you neutralise the acid with baking soda after you finish with the gun blue acid? Love your little mini series and the having the full build at the end! AWESOME as usual!
Just rinse the parts in plenty of water, it'll wash the acid away... Citric Acid is pretty weak, so no need to Neutralise it...
thanks much Dan - the citric acid I do but the gun blue I leave in that same jar all the time
You're right, Nick, you are no chemistry biologist... LOL. Great tip, buddy! Nice to know. Thanks!
Billy
haha, thanks Billy
Nice tip Nick, especially filtering the solution before putting it back, haven’t tried that before. As far as disposal, is it safe to dump the used solution down the drain? If not, how do you get rid of it?
every local town or city has rules with how to dispose of certain things so it doesn't hurt to check - baking soda is a good way to neutralize many acids - I reuse the gun blue and just water down the citric and pour down the drain
I tried a couple different of my favorite acids and it didn't work, brilliant!!!
I concur
Very cool. How does bluing help with rust prevention, or do you still need to put a light protective layer on?
It helps a ton - a little oil isn’t a bad idea
Very cool and great results! I wonder can you blue the zinc plated screws directly and skip the acid part? I saw you dip the door hinge (looks like zinc plated) directly in the blue solution and it turned black instantly
The hinge was already dipped in the acid - furthermore on hinges, do you want to make sure that the pin is mild steel and not aluminum or some other metal
As for the screws, it depends on how thick that electroplated zinc coating is - for the most consistent results use the acid to remove any zinc that would inhibit the bluing process
Nick Ferry I see. Thank you very much!
Will this work for removing galvanization also?
Hey Nick, I am going to be doing this over the next couple days. Just curious after your blue it, do you just wait for it to dry and then it is safe to touch? or am I rinsing it off? Sorry I am terrible with chemicals and am always wanting to be safe.
Dry it off and once dry you can give it a quick rinse in clean water if you prefer
@@NickFerry Thanks Nick!
I was like what is he looking???... I don’t see all 200,000 of them.... funny
Thanks
After removing zinc in vinegar or citric acid, what is the purpose of the "gun metal blue"?
Hey nick love your channel. I notice you see to be sporting the Covid19 cut....or are you just growing it out😀
lol - been growing it out for no reason at all for a while now
I have found wire brushing after the citric acid bath helps...
for sure - anything for it to react evenly
Does this keep the fasteners from rusting as well as look good? Can it be used for exterior fasteners?
black oxide is a rust preventative - for long term outdoor use i'd like to see a clear coat or oil of sorts on it, but thats just me
Nick, been watching your videos for awhile. Glad to see you posting more again :) You have some of the best tips. I've built a few dovetailed storage boxes ( crousewoodworks.com/index.php/2019/04/09/project-a-large-pine-dovetail-box/ ) and have found the lack of black hardware very annoying. I can usually find the hardware I want in zinc, but not black. This will make it MUCH easier to use the hardware I want to use. I had never thought of doing this, but now I'm thinking of several things this would be cool to try on. Thanks again, brilliant tip !
Very cool - like old ammo boxes
you spied on how many we were in the room watching ???? .😂😂😂😂😂😂👍👏👏👏👏share 👍
Lol thanks much 👊🏻👊🏻
Do you have a dentist the family? Couldn’t help but notice the Hu Friedy scaler
I don't - but I'm guessing you have some expertise in dentistry - I ask my dentist for old tools when I go for a cleaning - 100x better than those imitation pokey look-a-like pickers from the import store
Ins't black oxide layer worse at preventing rust than galvanised zinc layer?
In most applications I’d say so
Have you tried the method to blacken by heating the metal and then drop in oil?
I have
The second acid, was that warning-acid?
The warning on that acid is, don't put it in a powerade bottle
You can find Citric Acid in Lemons too... just saying... oh, and the pressure is Hydrogen gas... which is given off as a side effect of the Zinc being changed to Zinc Citrate...
good to know - thanks!
Can you reuse the bulging solution?
Quite a few times - store at your own risk - I’d hate to see it pressurize somehow - that’s the reason I didn’t mention hanging onto it for long after use
How do dispose of the bluing acid?
I don't dispose of the bluing acid as i continue to use it - look into using backing soda to neutralize it
Citric acid is the same as lemons and oranges, that's why they are citrus fruits :D
I was about to mention vinegar, i had some pliers that were so rusty in the joint they wouldn't move, soaked them in vinegar for a couple of days, and they're fine, don't forget to rinse then oil tools after this process.
I meant to add some shots of the tools I used it on but I already got wordy
How come your video output is way down? We need you bro!
i hate editing lol - more of a shop guy than an editor
is that black coat will be remove if it will rubbed against a nut or that will stays forever ?
It’s a thin molecular coating, if it’s abraded away enough, the wear will cause the bare metal underneath to show again
@@NickFerry Thank you for responding. How about a metal with rust. After removing those rust and apply this. WIll it prevent rust from coming back ?
Yes - think of it as a coating - iron oxide (rust) & black oxide (bluing) both act as a coating - with one the other is inhibited
@@NickFerry Ok. Thank you.
What is blue water?
Gun bluing acid - links in description
Nice dental scaler pointer.
you noticed that
Was that a Famous Dave's pickle jar in a past life by chance? lol
Haha, it was - some spicy pickle chips
@@NickFerry Not sure if I should feel proud of recognizing that, or embarrassed :D Nice trick, funny enough I was just watching through the popular woodworking "Build a plywood tool chest" with Chris Schwarz and he had similar comments about citric acid, but the addition of the gun blue is a good idea
@@MosquitoMade I'd be proud - I hate pickles, but those are some damn good pickles
@@NickFerry They are my favorites, and local :)
Haha. . . Turn you into a frog or take your birthday!
cool.
thanks John
And now all of a sudden I have to...
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U muslim