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    The parameter comparison table of taps and drills is worth collecting!

    2021.06.07



    (1) Levels below M1.4: 5H, Levels above M1.6: 6H

     

    (2) Based on JIS B 0209-1982 standard

    Binding degree classification: medium level 2 lower aperture = thread size * 0.866

    Minimum diameter = thread size-1.0825* tooth pitch

    Maximum diameter = minimum diameter + 2 tooth profile heights


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