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Best reamer for a .280AI (SAAMI spec)

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  #8  
Unread 02-13-2014, 03:04 PM
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Re: Best reamer for a .280AI (SAAMI spec)

Since yall are discussing reamers and chambers, what causes a concentric ring in a chamber. One you can actually see on a piece of fired brass.
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  •   #9  
    Unread 02-13-2014, 03:20 PM
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    Re: Best reamer for a .280AI (SAAMI spec)

    Rolling a chip or a small piece of swarf welded to a flute. A flush system goes a long ways to preventing this.
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      #10  
    Unread 02-13-2014, 04:28 PM
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    Re: Best reamer for a .280AI (SAAMI spec)

    Just wanted to say thanks to the guys posting thoughts on my original question. It's much appreciated!
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      #11  
    Unread 02-13-2014, 09:47 PM
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    Re: Best reamer for a .280AI (SAAMI spec)

    Quote:
    Originally Posted by jsthntn247 View Post
    Since yall are discussing reamers and chambers, what causes a concentric ring in a chamber. One you can actually see on a piece of fired brass.
    It is normally from not applying a constant pressure on the reamer or stopping and starting
    which allows a chip or other debris to get between the reamer and the chamber wall marking
    the chamber.

    It is also caused by a dull cutting edge from nicking it. (You can find it by running your fingernail down the cutting edge)

    If you drop or damage a reamer they can be re sharpened for about $35.00.

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