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IndustryArena Forum > MetalWorking > MetalWork Discussion > Difference between CAT50 AND BT50 HOLDERS???
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  1. #1
    Join Date
    Aug 2005
    Posts
    3

    Difference between CAT50 AND BT50 HOLDERS???

    I am wondering if anyone can tell me the difference between cat and bt holders? I know the BT has metric threads for the retention knobs but are the knobs the sam shape on the outside? Will a Cat holder fit into my BT machine? I would imagine the tapers are the same ..... in my mind a 50 taper is a 50 taper... I could be wrong! Any help on this would be greatly appreciated!

  2. #2
    Join Date
    Apr 2004
    Posts
    354
    this was talked about recently...

    http://www.cnczone.com/forums/showthread.php?t=46991

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