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Thread: BT40 adapters to NMTB 5/8 thread

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  1. 02-10-2011, 02:14 AM #1
    rhetor
    rhetor is offline Registered
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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?
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  2. 07-23-2020, 02:22 PM #2
    CATCH22
    CATCH22 is offline Member
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    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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