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metal polishing media


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just experimenting with my homemade tumbler, can anyone recommend a good supplier of metal pins or the like.

I think we need some photos here:)

Is this a rotary tumbler or a magnetic turbo tumbler? If it's one of the new design with whizzing magnets you will need 400 series SS pins (magnetic). If it's a rotary it doesn't matter unless you plan to seperate the pins with a magnet after tumbling.

 

I would try Spud. http://www.1967spud.com/

 

Here's my SS tumbler in action.:

https://www.youtube.com/watch?v=bcyAkj-LzA8

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Got some media, best price I could find was Proops Brothers Ltd, £20.40 for a kilo including postage. Just done my first batch and well please, much better than my ultra sonic, I will posts some picks, its a scaled down model which I had intended for a gentle clean of my Hornet cases but just done 20 x 308 cases for an hour and brilliant results.

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initial testing is great, one hour of tumbling gets the brass very clean, much better than the ultra sonic. One thing that I have to be careful of and that is to give hornet cases a gentle de bur after cleaning, the firs batch had been full sized but not length trimmed so had to be de burred anyway but the media gives the case edge a sight knurled effect which could possibly have problems with bullet seating. This is only a problem with the hornet cases as the neck is so thin, on 243/308 brass its not a problem.

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initial testing is great, one hour of tumbling gets the brass very clean, much better than the ultra sonic. One thing that I have to be careful of and that is to give hornet cases a gentle de bur after cleaning, the firs batch had been full sized but not length trimmed so had to be de burred anyway but the media gives the case edge a sight knurled effect which could possibly have problems with bullet seating. This is only a problem with the hornet cases as the neck is so thin, on 243/308 brass its not a problem.

Are you using any adatives at all. Such as lemi shine etc. Edited by Carman06
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Are you using any adatives at all. Such as lemi shine etc.

 

All I have added so far is just a drop of washing up liquid but will add some birchwood casey case cleaner next time as I have some, one of the most impressive things about the tumbler is how clean it gets the inside of the case and don't think the process is that tedious, just drying the media after words but that's just a matter of laying it out on some paper towel.

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All I have added so far is just a drop of washing up liquid but will add some birchwood casey case cleaner next time as I have some, one of the most impressive things about the tumbler is how clean it gets the inside of the case and don't think the process is that tedious, just drying the media after words but that's just a matter of laying it out on some paper towel.

Brill thanks. I have made my tumbler just waiting for the pins to arrive and get going.
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, just drying the media after words but that's just a matter of laying it out on some paper towel.

 

Why do you need to dry the media? I just leave my pins in water in the tumbling drum.

 

Half a tea spoon of this added to your water and washing up liquid does the job perfectly. I also use rain water from the butt.

 

http://www.ebay.co.uk/itm/like/151476236238?adgroupid=&hlpht=true&hlpv=2&rlsatarget=&adtype=pla&ff3=1&lpid=122&poi=&ul_noapp=true&limghlpsr=true&ff19=0&device=c&chn=ps&campaignid=&crdt=0&ff12=67&ff11=ICEP3.0.0-L&ff14=122&viphx=1&ops=true&ff13=80

Edited by 1066
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Why do you need to dry the media? I just leave my pins in water in the tumbling drum.

 

Half a tea spoon of this added to your water and washing up liquid does the job perfectly. I also use rain water from the butt.

 

http://www.ebay.co.uk/itm/like/151476236238?adgroupid=&hlpht=true&hlpv=2&rlsatarget=&adtype=pla&ff3=1&lpid=122&poi=&ul_noapp=true&limghlpsr=true&ff19=0&device=c&chn=ps&campaignid=&crdt=0&ff12=67&ff11=ICEP3.0.0-L&ff14=122&viphx=1&ops=true&ff13=80

 

No idea why I dried the media, just saw it done on the net

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