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Re-blacking the numbers on a steel rule

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I picked up a 24 inch folding steel blacksmith rule. after getting all the dirt an light rust off with steel wool most of the numbers need re-blacking...how do you do this . my first throught is to use gun blue and a fine artist brush...anyone know a better way?

Edited by jimbob

Aaaaahhhhh:o

You must be a melancholic!! Us easygoing phlegmatics would paint the rule with black paint and lightly sand/polish the paint off of the high points - leaving the numbers and lines intact in black.

Edited by Pault17
typos from an energetic bunch of fingers

  • Author
You must be a melancholic!!


after they took my gall blatter out its mostly yellow now!

or machinist blue. it will soak in the lines more and its thinner. Just a thought :)

Yes. I have never done it but it makes sense to me. If you have Dykem, hey!, give it a shot. What will it cost you? :D

  • Author

the Dykem wants to scrach off . I used the gun blue then sanded with 600 grit

6997.attach

Edited by jimbob

Go look in your desk drawer, got a bottle of whiteout in there? Cheap and works wonders. I learned this one when I was 17 on the rifle range in boot camp. My shooting coach put some on the rear sight index marks on my rifle and it made them really stand out. It also lasted. You aren't looking for something to withstand the heat of reentry on a spacecraft so keep it simple easy and cheap. Go with the whiteout.
BTW, white catches the eye a lot better than black. Dan :)

  • 2 weeks later...

Just clean the high spots and leave the rust and crud in the markings. There is enough contrast if you have good light where you work.

  • Author

I already used the gun blue ...I'm looking for a 6 foot rule I have to try the white out on.

  • Author
wouldnt white-out pick up every fingersmudge and bit of coal dust and just turn black anyway?


I think that your right but I think it would act as a primer to help the dirt stay in the groove.

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