Blackening Screws?

mobyd · 1st July 2007, 05:22 AM

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

vinylkid58 · 1st July 2007, 05:36 AM

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

mobyd · 1st July 2007, 06:10 AM

Quote:

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

batee · 1st July 2007, 06:21 AM

http://www.microfasteners.com/

Bryan

ssmith · 1st July 2007, 06:28 AM

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.

DigitalJunkie · 1st July 2007, 06:44 AM

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.

Nordic · 1st July 2007, 07:45 AM

black marker pen.

AudioFreak · 1st July 2007, 07:53 AM

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.

Nisbeth · 1st July 2007, 09:36 AM

http://www.modelfixings.co.uk/ (or: http://www.modelfixings.co.uk/miniature_cap_screws.htm)

/U.

stoolpigeon · 1st July 2007, 10:01 AM

I have used black fingernail polish for touching up. Comes with a brush too!

Also good for sealing solder joints and locking nuts.

1st July 2007, 05:22 AM	#1
mobyd diyAudio Member Join Date: Sep 2004 Location: Auckland	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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1st July 2007, 06:21 AM	#4
batee diyAudio Member Join Date: Mar 2004 Location: Rolla, MO	http://www.microfasteners.com/ Bryan

1st July 2007, 06:28 AM	#5
ssmith diyAudio Member Join Date: Aug 2005 Location: Paris	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.

1st July 2007, 06:44 AM	#6
DigitalJunkie diyAudio Member Join Date: Apr 2003 Location: Portland,Oregon Blog Entries: 4	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.

1st July 2007, 07:45 AM	#7
Nordic diyAudio Member Join Date: Sep 2005	black marker pen.

1st July 2007, 09:36 AM	#9
Nisbeth diyAudio Member Join Date: Jan 2001 Location: Denmark	http://www.modelfixings.co.uk/ (or: http://www.modelfixings.co.uk/miniature_cap_screws.htm) /U.

1st July 2007, 10:01 AM	#10
stoolpigeon diyAudio Member Join Date: Feb 2007 Location: Laputa	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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