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Neck turning tools?

 
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  #8  
Old 01-02-2009, 02:39 PM
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Re: Neck turning tools?

Quote:
Originally Posted by Kaintuckee View Post
Woods,

I just noticed that your last photo depicts the outside neck being turned while the inside is being reamed.

Is this a standard procedure you do for custom tight neck chambers?
I set up my cases on my tight necked chambers to have .003" neck clearance. For example on a 6.5 rem mag with a .293" neck I will outside neck turn new cases .293"-.003"= .290"-.264"=.026"/2=.013". That way when I fire the case the .003" moves to the inside of the neck. The Forster reamer is .003" over caliber diameter. That way the reamer will ream the inside of the neck and you can clean up the outside again with the outside turner



but you have to do this after firing in order to get the .003" clearance for the reamer. This will not work with factory chambers with more neck clearance unless you have thick enough brass.

However, I do find that after outside neck turning and reaming at the same time that I can not find even .0005" variance in neck thickness anywhere on the neck. It's like the brass is trapped between the outside cutter and inside reamer.
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Old 01-02-2009, 06:52 PM
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Re: Neck turning tools?

They all work. Some have better features and lower cost too.

I find the Forster HOT-100 pictured above to be fine, it's certainly good enough for those of use who use factory rifles anyway.

It has a simple but functional calibrated head accurate to .001" per mark, shows in photo #1. As shown in photo #2, it has a slight angle on the cutter blade that makes it less likely to damage a case shoulder than a square cutter can.

Forster sells a wide range of neck reamers that can easily be inserted in the hole for the neck pilot. They will remove any interior roughness AND any "do-nuts" that may appear.

I don't care much for the plastic shell-holder but, fact is, it works fine. But I use a Lee case trimmer stud and holder chucked in a cordless screwdriver if I have a lot of necks to turn.

MidwayUSA sold me my HOT-100 Forster for something like $45 a few years ago. I MIGHT buy a K&M or Sinclair or Hart IF I had a $3,000 bench rifle to prep cases for. Otherwise, no.
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  #10  
Old 01-02-2009, 09:18 PM
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Re: Neck turning tools?

Quote:
Originally Posted by boomtube View Post
Forster sells a wide range of neck reamers that can easily be inserted in the hole for the neck pilot. They will remove any interior roughness AND any "do-nuts" that may appear.
Forster will also make reamers to customer spec, which may be necessary if you're processing the brass after re-sizing.
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  #11  
Old 01-02-2009, 09:50 PM
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Re: Neck turning tools?

I use a sinclair neck turner,along with their expander mandrel.By using the expander mandrel,I can neck turn virgin brass,the expander forces all the imperfections to the outside of the case neck so the cutter will true everything up.I think they will all work,it's just a matter of how you want to go about it.
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Old 01-02-2009, 11:32 PM
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Re: Neck turning tools?

Thanks for the great info, The pictures were very good.
I may only do three or four hundred cases per year, so I might go with the Forster, it looks to do the job well, looking at the pictures.

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Old 01-03-2009, 12:20 AM
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Re: Neck turning tools?

Quote:
Originally Posted by woods View Post
I set up my cases on my tight necked chambers to have .003" neck clearance.
Thanks for explanation.

I always thought that running a case over a mandrel would smooth up the inside surface and remove the donuts, etc. What method would you use for inside neck reaming on new brass thatís used in a standard chamber cut to the minimum SAAMI dimension?

FYI: Received a new sale flyer in the mail today from Midway, the Forester tool, reg $52.99 is $46.99 and the mandrels reg $9.49 are $8.49
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Old 01-04-2009, 02:54 PM
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Re: Neck turning tools?

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Originally Posted by Kaintuckee View Post
[COLOR=black][FONT=Verdana]
I What method would you use for inside neck reaming on new brass thatís used in a standard chamber cut to the minimum SAAMI dimension?
Well, the Forster will not work in that situation because the reamer is .003" over caliber. Perhaps like Winchester 69 said, you could figure out what the inside neck diameter is on your fired or sized case and have Forster custom make you one that would be tight enough to inside ream. With inside reaming you do not want to take off much brass.

I prefer the Forster reamers to the K & M mandrels with the cutting tip because the Forster reamer has a cutting edge along it's entire length



as opposed to the K & M which has the cutter only on the leading edge



I have used a friend's K & M cutter and it seems to wander more and score up the inside of the neck much more. Once you get the Forster in all the way you are removing brass from the mouth of the case to the neck/shoulder junction all along the cutting edge which makes for a smoother cut.

If you do not have a tight necked chamber then you should not have to worry about inside neck reaming or do-nuts. The do-nuts will not bear on the bullets unless they bear on the bullets when you insert them in a fired case.
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