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    System of Measurement
    System of Measurement
    Inch
    Metric
    For Arbor Hole Size
    For Arbor Hole Size
    1/2"-20
    5/8"-18
    Shank Size
    Shank Size
    1/4"
    3/8"
    7/16"
    1/2"
    For Arbor Thread Size
    For Arbor Thread Size
    3/8"-24
    1/2"-13
    1/2"-20
    5/8"-18
    3/4"-10
    7/8"-9
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Pilot Drill Length
    Pilot Drill Length
    1 9/16"
    1 11/16"
    2 1/8"
    2 1/2"
    3 1/16"
    3 1/8"
    4 1/4"
    4 5/16"
    For Copper Tube Size
    For Copper Tube Size
    click to learn more about
    5
    For Conduit Trade Size
    For Conduit Trade Size
    1/2 
    3/4 
    1
    1 1/4
    1 1/2
    2
    2 1/2
    3
    3 1/2
    4
    Pilot Drill Diameter
    Pilot Drill Diameter
    5/32"
    15/64"
    1/4"
    5/16"
    Number of Saws
    Number of Saws
    4
    5
    6
    7
    9
    12
    16
    20
    Arbor Shank Size
    Arbor Shank Size
    1/4"
    11/32"
    3/8"
    1/2"
    33/64"
    For Pipe Tap Size
    For Pipe Tap Size
    1/2 
    3/4 
    1
    1 1/4
    1 1/2
    2
    2 1/2
    3
    3 1/2
    4
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