Need help with Neck Turning


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Afy
November 21, 2008, 06:22 AM
have bought a used Sinclair Neck Turning kit, that came with a 6mm, 6.5mm and .308 bit. However have no instructions...

So this begs the questions:

1. How do I set it up for my .260
2. How does one actually neck turn.

Thank you in advance.

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Walkalong
November 21, 2008, 07:45 AM
It would be hard to explain here. I am surprised Sinclair did not include instructions with their tool. A call to them would probably get you some. I would look around on line. I bet Benchrest Central (http://www.benchrest.com/) or 6MMBR (http://www.6mmbr.com/index.html) has a good article.

Afy
November 21, 2008, 08:39 AM
I bought the tools from someone I know, who isnt using them anymore.

Walkalong
November 21, 2008, 10:01 AM
Link (http://home.comcast.net/~jesse99/doughnuts.html)

Link (http://accurateshooter.wordpress.com/2007/10/16/neck-turning-tip-match-your-cutter-angle-to-the-shoulder/)

Link (http://www.basspro.com/webapp/wcs/stores/servlet/CFPage?storeId=10151&catalogId=10001&langId=-1&&mode=article&objectID=32076&cat=&subcatID=0&objectType=article)

You Tube link (http://www.youtube.com/watch?v=wZBykXq1sSQ) - I can not access You Tube at work, so I don't know if this clip will be any help.


Basically you need a mandrel to fit the inside of the case neck (.001 less)

You chuck the brass up in the case holder.

You slide the neck turning tool over the case neck. Mandrel inside, cutter outside.

Manually turn the case turner while holding the brass still.

You must adjust the cutter to get the desied neck thickness.

The first time I ever saw one, my confusion was the brass did not turn, the cutter did.

Afy
November 21, 2008, 04:48 PM
Thank you very much.

plinky
November 21, 2008, 05:55 PM
Since my rifles are factory chambered and don't need to have neck-turned cases, my policy is to turn the necks just enough to clean up any uneveness. I feel that to turn them down any more would simply cause the brass to be blown out/sized down more at each firing.

IIRC, you are using a bushing sizer die w/o expander, so you'll have to juggle bushing size, neck thickness and bullet diameter to end up with the right solution.

Walkalong
November 21, 2008, 06:56 PM
I am at home now and I see in the video that he is turning the brass/brass holder instead of the cutter assembly, but you should hold it still and turn the cutter assembly instead.

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