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Thread: Keep Breaking Taps

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  1. 06-02-2009, 04:17 AM #1
    Dualkit
    Dualkit is offline Registered
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    Class 2 or 3 threads have a max minor up to .164 go up on drill size. Are you using 2 flute taps? They tap easier than 4 flutes. Also Chinese Aluminum is gummy, hope you are using USA made.
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  2. 01-21-2012, 04:16 PM #2
    gabby
    gabby is offline Registered
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    breaking taps

    Just a thought is the turret in line with the spindle if you have had a knock this can be over looked. In the past I have made a bush by machining the bush on the machine. turn up a blank put this in the turret then drill and ream to size using the chuck to hold the drill. A bit long winded but garantees tap alignment
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