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Machine Shop and Tool Talk Shop Equipment, fabrication, repairs, how to fix it, which tool to use for the job. Machinist shop talk, straight to the point.

Machine Shop and Tool Talk

Can not Enlarge Hole in SS With Drill Bit


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  #11  
Old 06-22-2017, 08:09:58 AM
sdowney717 sdowney717 is offline
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Default Re: Can not enlarge hole in SS with drill bit.

pictures, I am cleaning the screw in vinegar.

This silver item is genuine sterling silver, as marked on its base. It is thin stuff this thing. You can see how the 3yr old mangled it, just like a toy.
I pried off its base cover to remove the cemented weight.
Screw is an everdure genuine bronze screw 50 years old left from when I rescrewed my wood boat.

I contacted the ebay seller, he has one left. If he can find it, he will sell to me for what I paid.
But this I think would work, my idea of silver brazing the hole and retapping.

Sterling silver threads, I don't know how strong they will be.
Maybe the bronze screw will sort of mix into the sterling if I heat it good.
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  #12  
Old 06-22-2017, 12:43:35 PM
akuna akuna is offline
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Default Re: Can not enlarge hole in SS with drill bit.

Sounds like you are having fun now.

I guess you did not read about pacifying stainless to keep it from rusting after heating it up? But it is your boat.
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  #13  
Old 06-22-2017, 01:43:21 PM
sdowney717 sdowney717 is offline
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Default Re: Can not enlarge hole in SS with drill bit.

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Originally Posted by akuna View Post
Sounds like you are having fun now.

I guess you did not read about pacifying stainless to keep it from rusting after heating it up? But it is your boat.
Earlier link, someone who works with SS, said heat and quench in water preserves stainlessness, i will see. It did sand out with very fine paper most of the discoloration.
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Old 06-22-2017, 02:56:35 PM
akuna akuna is offline
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Default Re: Can not enlarge hole in SS with drill bit.

Sure, that is why people go through all the trouble of using acid, cause it is easier then water.

But believe who you want. If you can post a reference to water quench being good enough I will read it. I could not find anything.

I know you can pacify aluminum with hot water. Do it all the time in boil kettles that get over cleaned. Does not work with stainless, it just rusts.
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Old 06-22-2017, 03:47:26 PM
ronm ronm is offline
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Default Re: Can not enlarge hole in SS with drill bit.

Sterling silver is currently worth $13.85/oz. Sell that thing to a jeweler for scrap silver, buy the thing you're trying to fix, come out money ahead, & quit messin' around ! Good Lord!
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Old 06-22-2017, 04:40:36 PM
sdowney717 sdowney717 is offline
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Default Re: Can not enlarge hole in SS with drill bit.

Quote:
Originally Posted by ronm View Post
Sterling silver is currently worth $13.85/oz. Sell that thing to a jeweler for scrap silver, buy the thing you're trying to fix, come out money ahead, & quit messin' around ! Good Lord!
But I got so much sterling here and this piece is very light weight thin silver, it wont be missed and not worth that much.
I am looking to sell a lot of sterling silver flatware, cups, bowls, etc....I called around and they pay low amount. I may have to arrange a deal with a refinery.

Using the bronze screw as a central filler, I dont think it will use that much sterling silver to weld up the hole. I think I can use a scissor to snip the sterling into strips.

Last edited by sdowney717; 06-22-2017 at 04:51:55 PM.
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Old 06-22-2017, 04:56:55 PM
akuna akuna is offline
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Default Re: Can not enlarge hole in SS with drill bit.

Sells on ebay for about 50 cents a gram more or less. About 31 grams to the troy ounce.
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  #18  
Old 06-22-2017, 08:29:15 PM
sdowney717 sdowney717 is offline
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Default Re: Can not enlarge hole in SS with drill bit.

https://www.amazon.com/dp/B00PIRSB7E...iglink20417-20

Good reviews for this rust remover and preventer on SS.

When I get time, I will try to do this torch repair with the silver and bronze and post some pics how it works.
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Old 06-22-2017, 08:41:37 PM
akuna akuna is offline
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Default Re: Can not enlarge hole in SS with drill bit.

17 bucks for a bottle of stuff to treat a 10 dollar part? Or you have other stainless rusting on your boat?
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  #20  
Old 06-23-2017, 06:25:13 AM
sdowney717 sdowney717 is offline
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Default Re: Can not enlarge hole in SS with drill bit.

Quote:
Originally Posted by akuna View Post
17 bucks for a bottle of stuff to treat a 10 dollar part? Or you have other stainless rusting on your boat?
Actually nothing is rusty.
The link shows products exist to fix SS that is rusting.
I am not convinced this part I heated will rust, time will tell.
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