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    Ask the Expert: Why do bits break?

    Aug. 30, 2019
    Design, conditions, and manufacturing are three factors to take into consideration.
    Photo courtesy of ProMAXX
    Why Do Bits Break 5d69508348965

    Question: Why do bits break? 

    Answer: 

    Design

    A small chip pocket means low flute volume, leading to breakage in the middle of the bit. 

    Conditions

    Torque and drag lead to heat and breakage. Apply drill lube. 

    Manufacturing

    Machined > Stamped

    Better bits have a micro point that prevents wandering. 

    Information provided ProMAXX

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