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Collet Identification Help

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  • Collet Identification Help

    I picked up a bunch of collets today and there are two that I'm not sure what kind they are. They are 3.5" long and .8125 wide (approximate as I don't have my calipers with me). One is a Porst Bros of Chicago and the other is a Rivett and says 4 NS on it. Is the 4 NS the kind of collet? I haven't heard of this one and didn't see anything when I searched. Can anyone help me identify what type of collet as well as an idea of which machines have the same?
    Thanks,
    Dale

    Last edited by Dale Lusby; 08-24-2010, 06:17 PM.

  • #2
    4NS is the designation. Rivett 608 is one machine that uses these, probably are others. See: http://shopswarf.orconhosting.net.nz/colletap.html

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    • #3
      The old Gorton drill grinder uses these, how ever most of them are in your new car body or neighbors steel siding.

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      • #4
        the NS means new style .As said Gorton cutter grinders used then and some old lathes.
        Every Mans Work Is A Portrait of Him Self
        http://sites.google.com/site/machinistsite/TWO-BUDDIES
        http://s178.photobucket.com/user/lan...?sort=3&page=1

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