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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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DIY Black oxide on 316?
I am trial fitting some sexy black traveler and Genoa tracks on Rutu. I
have the fitting just about perfect but the only thing you see is the glaring stainless flat head screws. I cannot find 316 stainless 5/16 x 3" flat head machine screws in black oxide 316. How hard is it to put a durable black oxide finish on 316 and how do you do it. I could powder coat them black but that might make the heads stand up a little and interfere with the precision slides. -- Glenn Ashmore I'm building a 45' cutter in strip/composite. Watch my progress (or lack there of) at: http://www.rutuonline.com Shameless Commercial Division: http://www.spade-anchor-us.com |
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"Glenn Ashmore" wrote in message
news:fRjae.15372$Z73.13650@lakeread04... | I am trial fitting some sexy black traveler and Genoa tracks on Rutu. I | have the fitting just about perfect but the only thing you see is the | glaring stainless flat head screws. I cannot find 316 stainless 5/16 x 3" | flat head machine screws in black oxide 316. How hard is it to put a | durable black oxide finish on 316 and how do you do it. | | I could powder coat them black but that might make the heads stand up a | little and interfere with the precision slides. | | -- | Glenn Ashmore | | I'm building a 45' cutter in strip/composite. Watch my progress (or lack | there of) at: http://www.rutuonline.com | Shameless Commercial Division: http://www.spade-anchor-us.com | By definition of stainless you can't get oxide on it. I've used black fasteners in the aviation business, but I think they were aluminum anodized. I want to say that I've seen something in stainless, but for the life of me I can't remember what it is. |
#3
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"carl mciver" wrote in message link.net... "Glenn Ashmore" wrote in message news:fRjae.15372$Z73.13650@lakeread04... | I am trial fitting some sexy black traveler and Genoa tracks on Rutu. I | have the fitting just about perfect but the only thing you see is the | glaring stainless flat head screws. I cannot find 316 stainless 5/16 x 3" | flat head machine screws in black oxide 316. How hard is it to put a | durable black oxide finish on 316 and how do you do it. | | I could powder coat them black but that might make the heads stand up a | little and interfere with the precision slides. | | -- | Glenn Ashmore | | I'm building a 45' cutter in strip/composite. Watch my progress (or lack | there of) at: http://www.rutuonline.com | Shameless Commercial Division: http://www.spade-anchor-us.com | By definition of stainless you can't get oxide on it. I've used black fasteners in the aviation business, but I think they were aluminum anodized. I want to say that I've seen something in stainless, but for the life of me I can't remember what it is. 316 Stainless will oxidise but it reduces the corrosion resistance and the heat required, if done thermally, will soften the bolt. There are chemical solutions that will do the job if required. http://www.ssschemical.com/page_10.html |
#4
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On Sat, 23 Apr 2005 09:33:29 GMT, "David Deuchar"
wrote: 316 Stainless will oxidise but it reduces the corrosion resistance and the heat required, if done thermally, will soften the bolt. There are chemical solutions that will do the job if required. http://www.ssschemical.com/page_10.html Great link; thanks. It goes in my resource files. -- --Pete "Peter W. Meek" http://www.msen.com/~pwmeek/ |
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You might also google for black chrome plate. I think that is how
stainless gun barrels are made black. Dan |
#6
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Stainless gun barrels are blackened by treating them in a specialized hot
bath made by Brownells called Oxynate 84 http://www.brownells.com/aspx/NS/sto...LUING+COMPOUND Firearms are usually made from 400 series stainless. How it would work on 316 is a question best answered by Brownells tech support. Randy wrote in message oups.com... You might also google for black chrome plate. I think that is how stainless gun barrels are made black. Dan |
#7
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I just googled on "Black Chrome". It does exist and is used on gun
barrels. Not the only way to get black chrome, but possibly more durable than other methods. Dan |
#8
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Brownells Gunsmithing Supplies has stuff for oxidizing stainless steel
brownells.com IIRC ============================================== Put some color in your cheeks...garden naked! |
#9
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"Glenn Ashmore" wrote in message news:fRjae.15372$Z73.13650@lakeread04... I am trial fitting some sexy black traveler and Genoa tracks on Rutu. I have the fitting just about perfect but the only thing you see is the glaring stainless flat head screws. I cannot find 316 stainless 5/16 x 3" flat head machine screws in black oxide 316. How hard is it to put a durable black oxide finish on 316 and how do you do it. Since you can powder coat you could just grind a few thou off the screw heads and then the clearance will not be a problem. Plan "B" would be just to use a marker and make them black. -- Roger Shoaf About the time I had mastered getting the toothpaste back in the tube, then they come up with this striped stuff. I could powder coat them black but that might make the heads stand up a little and interfere with the precision slides. -- Glenn Ashmore I'm building a 45' cutter in strip/composite. Watch my progress (or lack there of) at: http://www.rutuonline.com Shameless Commercial Division: http://www.spade-anchor-us.com |
#10
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wrote in message ups.com... I just googled on "Black Chrome". It does exist and is used on gun barrels. Not the only way to get black chrome, but possibly more durable than other methods. Dan I would agree that black chrome would be more wear / galling resistant. |
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