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Scratched or rusted Dies

 
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  #1  
Old 01-03-2010, 01:00 AM
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Location: Little Falls, MN
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Scratched or rusted Dies

I have a problem with a set of RCBS dies. I haven't used them for a while. Recently , I tried to reload a couple of test rounds . To my horror the cases went in like a bad clutch on a 409 . Can it be cleaned or is completely shot ? Thank you.
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  #2  
Old 01-03-2010, 01:49 AM
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Re: Scratched or rusted Dies

If it's just a light surface corrosion, I think you can salvage the dies. If it's very heavily pitted, especially if the pitting runs all the way up into the neck and shoulder area, then you're better off purchasing replacement dies.

You'd be able to clean up the body portion of the die by wrapping some 220 or 320 grade quality 3M emery cloth around a bore brush of the proper size to put the emery cloth in firm contact with the inside surface of the die and have at it with a cordless variable speed drill.

I just recently opened up a 7mm Rem Mag Redding Body Die in this manner so it wouldn't work my brass so much. These resizing dies are harder than the dickens - heat treated. You won't have to worry about taking too much material off with the emery cloth. It will take a lot of sanding to open the die up 0.003" - 0.004" once you're through the surface rust and into competent steel.

Depends how much your time is worth to you. Standard grade reloading dies aren't terribly expensive.
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Old 01-03-2010, 06:02 AM
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Re: Scratched or rusted Dies

Thanks for the tip. Do they get plugged with sizing lube ? How do you clean them ?
Quote:
Originally Posted by phorwath View Post
If it's just a light surface corrosion, I think you can salvage the dies. If it's very heavily pitted, especially if the pitting runs all the way up into the neck and shoulder area, then you're better off purchasing replacement dies.

You'd be able to clean up the body portion of the die by wrapping some 220 or 320 grade quality 3M emery cloth around a bore brush of the proper size to put the emery cloth in firm contact with the inside surface of the die and have at it with a cordless variable speed drill.

I just recently opened up a 7mm Rem Mag Redding Body Die in this manner so it wouldn't work my brass so much. These resizing dies are harder than the dickens - heat treated. You won't have to worry about taking too much material off with the emery cloth. It will take a lot of sanding to open the die up 0.003" - 0.004" once you're through the surface rust and into competent steel.

Depends how much your time is worth to you. Standard grade reloading dies aren't terribly expensive.
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  #4  
Old 01-03-2010, 08:09 AM
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Re: Scratched or rusted Dies

I would remove the decapping rod and try to polish the inside of the die.
JB bore paste or polishing compound should work.
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  #5  
Old 01-03-2010, 04:56 PM
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Re: Scratched or rusted Dies

Quote:
Originally Posted by REDHEAD View Post
Thanks for the tip. Do they get plugged with sizing lube ? How do you clean them ?
If all you've got is some gunked up lube and dust/dirt in the dies, then forget my first post and simply disassemble the dies and soak them in gasoline or some other solvent to loosen up and remove the grime.

If you've got some corrsion of the steel that needs removed or smoothed up then follow my first post.

First thing I do with any new set of dies, or any set of newly purchased used dies, is disassemble the dies, degrease in gasoline and swab inner surfaces clean, blow dry with compressed air, and then spray them with some corrosion protectant like a silicone spray, so they won't corrode and pit over time in storage.

I presumed you had some steel corroding with my initial response. Sorry if I got started in the wrong direction.

Last edited by phorwath; 01-04-2010 at 03:26 AM.
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  #6  
Old 01-04-2010, 01:42 AM
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Re: Scratched or rusted Dies

I don't know. I haven't used them in a while . I can't see anything wrong , but it seems to scuff the case pretty good. I had to use RCBS size lub to size a few. Its far from smooth . Guess I'll end up buying a new set if gas doen't work. Thanks much.

Quote:
Originally Posted by phorwath View Post
If all you've got is some gunked up lube and dust/dirt in the dies, then forget my first post and simply disassemble the dies and soak them in gasoline or some other solvent to loosen up and remove the grime.

If you've got some corrsion of the steel that needs removed or smoothed up then follow my first post.

First thing I do with any new set of dies, or any set of newly purchased used dies, is disassemble the dies, degrease in gasoline and swab inner surfaces clean, blow dry with compressed air, and then spray them with some corrosion protectant like a silicone spray, so they won't corrode and pit over time in storage.

I presumed you has some steel corroding with my initial response. Sorry if I got started in the wrong direction.
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  #7  
Old 01-06-2010, 07:42 PM
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Join Date: Jan 2010
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Re: Scratched or rusted Dies

I can't seem to find if you stated the type, Pistol Carbide or Steel or Rifle Dies

If the dies are NOT Carbide or if the dies are Rifle You do need to use some sort of case lube on each case you resize

Only pistol Carbide dies do not need lube on each Case and it never hurts

There is a exclusion to every rule and this is no different

You did state that "I had to use RCBS size lub to size a few." This makes me wonder which type Die your using and my reason for writing the above.

I have used several lubes and really prefer Imperial Sizing Die Wax it works very well

good luck

Last edited by 300_Sendero; 01-06-2010 at 08:23 PM.
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