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    System of Measurement
    System of Measurement
    Inch
    Metric
    Pipe
    Pipe Size
    Pipe Size
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    Thread Type
    Thread Type
    Metric
    NPT
    UNC
    UNF
    UNS
    Material
    Material
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    Stainless Steel
    Thread Direction
    Thread Direction
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    click to learn more about Right Hand
    click to learn more about Left Hand
    Right HandLeft Hand
    Number of Inserts Included
    Number of Inserts Included
    2
    3
    4
    5
    6
    10
    12
    18
    24
    30
    36
    48
    54
    60
    288
    For Maximum Hole Diameter
    For Maximum Hole Diameter
    Less than 0.25"
    0.25" to 0.49"
    0.5" to 0.74"
    0.75" to 0.99"
    1" or greater
    For Tap Type
    For Tap Type
    Helical
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Thread Spacing
    Thread Spacing
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    For Spark Plug Reach
    For Spark Plug Reach
    3/8"
    7/16"
    0.472"
    1/2"
    3/4"
    Long
    Normal
    Short
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