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cuslog
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mixing stainless pins in with conventional ?
Jul 18th, 2016 at 7:22pm
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Anyone ever try mixing stainless pins in with their conventional vibratory media?
I purchased 2 KG of stainless pins with the intention of fabricating a wet / stainless pin tumbler. Haven't got the tumbler done yet. Got a batch of 45/70 cases in the vibratory tumbler right now. Looked at the primer pockets not getting cleaned and started to wonder what would happen if I added the stainless pins to the (dry) mix.
Anyone tried it ?
  
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cuslog
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Re: mixing stainless pins in with conventional ?
Reply #1 - Jul 18th, 2016 at 9:44pm
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Too chicken to try it myself - think I know what'll happen - the pins will all sink to the bottom, never to be seen again.
  
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Schuetzenmiester
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Re: mixing stainless pins in with conventional ?
Reply #2 - Jul 18th, 2016 at 9:49pm
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Let us know how it works. Bet they come out really shiny  Cheesy
  

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marlinguy
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Re: mixing stainless pins in with conventional ?
Reply #3 - Jul 21st, 2016 at 9:58am
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Dirty primer pockets never bother me. They don't seem to cause any issues for me, so I don't worry about them. I use a small ceramic media, and it gets my cases clean, but still some dirt in the pockets.
  

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Re: mixing stainless pins in with conventional ?
Reply #4 - Jul 21st, 2016 at 12:10pm
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I've gone to the wet tumbler method.  It is worlds above vibratory cleaning.  Yes, one has to dry the brass (I put it in an aluminum pan at 180 for an hour) but everything comes out sparkling clean without the issues of media dust.  The lead styphnate residue always bothered me.  Now I just pour it down the drain with the rinse water.  FWIW I had light strike issues with dirty primer pockets and cleaning with a primer pocket tool introduces contamination issues.
  

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cuslog
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Re: mixing stainless pins in with conventional ?
Reply #5 - Jul 21st, 2016 at 10:01pm
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Well, I tried it - didn't work so great. I dumped in the whole 2 KG (4.4 lbs) - first thing I noticed was the agitation was slowed down a lot. Still rolling things over but @ maybe 1/4 normal speed. 42 - 45/70 cases, left them in there about 30 hours. It did clean the primer pockets a bit but not as much as I'd like. I might try a lesser amount another time - so the agitation isn't slowed so much.
I had never before worried over primer pockets either - on my last batch of BP loads, after 3 or 4 weeks in storage, about 1 in 10 rounds were "leaking" what I thought was BP "corrosion"  from around the primer. They seemed to shoot OK, but I thought it may be time to pay more attention to cleaning primer pockets - these had only been loaded once or twice.
The pins weren't too terrible to separate from the dry media- thank goodness they're magnetic.
  
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marlinguy
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Re: mixing stainless pins in with conventional ?
Reply #6 - Jul 22nd, 2016 at 10:55am
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I also use a rotary tumbler with water and a little dish detergent with my small ceramic media. I used dry media in a vibratory tumbler before, and it too longer to get the same clean cases.
I simply rinse when done, and pour the cases out on a towel to air dry overnight. In the summer I leave them outside on the picnic table and they dry quicker!
But I don't shoot any BP, so my not cleaning primer pockets may be moot point for your application.
  

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John Boy
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Re: mixing stainless pins in with conventional ?
Reply #7 - Jul 22nd, 2016 at 11:02am
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Quote:
Yes, one has to dry the brass (I put it in an aluminum pan at 180 for an hour)

Quote:
...and pour the cases out on a towel to air dry overnight. In the summer I leave them outside on the picnic table and they dry quicker!

How to Dry Wet Brass in 2 Minutes or Less
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marlinguy
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Re: mixing stainless pins in with conventional ?
Reply #8 - Jul 22nd, 2016 at 11:07am
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The hair dryer works, but have to do a lot of small batches. It doesn't work as well if you're dealing with more than 20 cases at a time. But it's a good way if you don't mind repeating until they're all dry.
  

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BudHyett
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Re: mixing stainless pins in with conventional ?
Reply #9 - Jul 24th, 2016 at 6:51pm
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One idea that helps is putting pennies in the dry media in a vibratory tumbler and letting them rub against the case walls. Copper on copper will not harm anything and seems to bring a quicker matte finish. I started this many years ago and now add several dozen pennies with the cases. The primer pockets are untouched since the pennies are too large. 

I think the copper pins in a vibratory tumbler have little too little surface area to weight and the dry media will not support them. If a person had flat sided pins, they might work. I do not know if there is a ready source of copper stock with flat sides, anyway. 

Unless you are making change, pennies have no value beyond this usage anyway. I do not use the wheat pennies as they are collectible, they are hard to find these days anyway.
  

Country boy from Illinois living in the magical Pacific Northwest
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