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Old 1st July 2007, 05:22 AM   #1
mobyd is offline mobyd  New Zealand
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Default Blackening Screws?

Nothing stuffs up the appearance of a nice black anodized panel like a shiny zinc plated screw. Yes I know there are outfits that do the job, but the minimum charges are a killer. Any chemists out there able to share the secrets of the blackening process ?
cheers
M
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Old 1st July 2007, 05:36 AM   #2
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Default Re: Blackening Screws?

Quote:
Originally posted by mobyd
Nothing stuffs up the appearance of a nice black anodized panel like a shiny zinc plated screw. Yes I know there are outfits that do the job, but the minimum charges are a killer. Any chemists out there able to share the secrets of the blackening process ?
cheers
M
Machine and sheet metal screws are available with a black finish, just not as common as plated.

Jeff
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Old 1st July 2007, 06:10 AM   #3
mobyd is offline mobyd  New Zealand
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Default Re: Re: Blackening Screws?

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Originally posted by vinylkid58


Machine and sheet metal screws are available with a black finish, just not as common as plated.

Jeff
Perhaps in Canada..not in NZ (in M2.5 sizes anyway - even in larger sizes, the range is limited and the cost high).
M
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Old 1st July 2007, 06:21 AM   #4
batee is offline batee  United States
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http://www.microfasteners.com/

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Old 1st July 2007, 06:28 AM   #5
ssmith is offline ssmith  France
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How about just getting cheapo screws and painting them with enamel paint - the kind used by model hobbyists? Think it works on metal too. If you scratch the paint, you can just touch it up. The paint also comes in handy little pots.

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Old 1st July 2007, 06:44 AM   #6
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Or maybe some of the stuff used for handguns..I think there's a "gun blue"..which if you add a couple extra coats,basically looks black.
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Old 1st July 2007, 07:45 AM   #7
Nordic is offline Nordic  South Africa
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black marker pen.
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Old 1st July 2007, 07:53 AM   #8
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Quote:
Originally posted by Nordic
black marker pen.

It's been my experience that permanent markers often have trouble bonding to metalic surfaces and can be wiped off easily even after long periods of time.
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Old 1st July 2007, 09:36 AM   #9
Nisbeth is offline Nisbeth  Denmark
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http://www.modelfixings.co.uk/ (or: http://www.modelfixings.co.uk/miniature_cap_screws.htm)


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Old 1st July 2007, 10:01 AM   #10
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I have used black fingernail polish for touching up. Comes with a brush too!

Also good for sealing solder joints and locking nuts.
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