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  1. #1
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    Dec 2010
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    BT40 adapters to NMTB 5/8 thread

    Hey guys,

    I have a machine which takes NMTB40 tool holders, which can sometimes be tough to find. BT40 holders are much more popular, and I have a bunch of collet chucks around that I'd love to use.

    We are a machine shop and can of course make an adapter, but I can never find the down-time to do it.

    Does anyone know if anyone sells a BT40 metric thread adapter, which instead of a pullstud has the 5/8 female end of an NMTB40 tool holder?

  2. #2
    Member
    Join Date
    Mar 2005
    Posts
    263
    Quote Originally Posted by rhetor View Post
    Hey guys,

    I have a machine which takes NMTB40 tool holders, which can sometimes be tough to find. BT40 holders are much more popular, and I have a bunch of collet chucks around that I'd love to use.

    We are a machine shop and can of course make an adapter, but I can never find the down-time to do it.

    Does anyone know if anyone sells a BT40 metric thread adapter, which instead of a pullstud has the 5/8 female end of an NMTB40 tool holder?
    Did you ever find any Adapters for BT40 to nmtb40 I'm also looking for one.

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