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    System of Measurement
    System of Measurement
    Inch
    Metric
    For OD
    For OD
    0.053" to 0.12"
    1/16"
    0.079" to 0.15"
    0.111" to 0.177"
    1/8" to 3/16"
    3/16"
    3/16" to 1/4"
    0.205" to 0.273"
    7/32"
    0.22"
    15/64"
    0.235" to 0.302"
    1/4"
    1/4" to 5/16"
    0.288"
    0.298" to 0.365"
    5/16"
    5/16" to 3/8"
    0.32"
    0.327" to 0.394"
    0.338"
    0.356" to 0.422"
    23/64"
    0.362"
    3/8"
    3/8" to 7/16"
    0.385" to 0.451"
    25/64"
    13/32"
    0.409" to 0.485"
    27/64"
    0.427"
    7/16"
    0.443"
    29/64"
    0.46"
    0.468" to 0.545"
    15/32"
    31/64"
    0.487" to 0.568"
    1/2"
    1/2" to 9/16"
    0.513"
    33/64"
    0.518" to 0.605"
    17/32"
    9/16"
    0.613" to 0.693"
    5/8"
    5/8" to 11/16"
    0.663" to 0.761"
    43/64"
    0.679"
    0.687" to 0.785"
    0.695"
    45/64"
    0.74"
    0.74" to 0.849"
    3/4"
    3/4" to 13/16"
    0.753" to 0.868"
    13/16"
    27/32"
    7/8"
    7/8" to 15/16"
    0.893"
    0.901" to 1.027"
    0.933" to 1.083"
    61/64"
    63/64"
    1"
    1" to 1 1/16"
    1 1/32"
    1 1/16"
    1 1/16" to 1 1/8"
    1.085" to 1.358"
    1 1/8"
    1 1/8" to 1 3/16"
    1.143"
    1.169" to 1.437"
    1.173" to 1.298"
    1 3/16"
    1 3/16" to 1 1/4"
    1.249" to 1.402"
    1 1/4"
    1 1/4" to 1 5/16"
    1.282" to 1.445"
    1 5/16"
    1 3/8"
    1 3/8" to 1 7/16"
    1.498" to 1.62"
    1 1/2"
    1 1/2" to 1 9/16"
    1.548"
    1.568" to 1.688"
    1 5/8"
    1 5/8" to 1 11/16"
    1.688" to 1.818"
    1.718" to 1.888"
    1 3/4"
    1 3/4" to 1 13/16"
    1.781" to 1.938"
    1.837" to 2.013"
    1 7/8"
    1 7/8" to 1 15/16"
    1.953" to 2.085"
    2"
    2" to 2 1/16"
    2.063" to 2.377"
    2.074" to 2 1/4"
    2 1/8" to 2 3/16"
    2.235" to 2.401"
    2 1/4"
    2 1/4" to 2 5/16"
    2.333" to 2.54"
    2 3/8" to 2 7/16"
    2.395" to 2.688"
    2 1/2"
    2 1/2" to 2 9/16"
    2.579" to 2.728"
    2 5/8" to 2 11/16"
    2.656" to 2.926"
    2.685" to 2.947"
    2 3/4"
    2 3/4" to 2 13/16"
    2.787" to 2.918"
    2.912" to 3.175"
    3"
    3" to 3 1/16"
    3.02" to 3.3"
    3 1/8" to 3 3/16"
    3.2" to 3.492"
    3 1/4"
    3 1/4" to 3 5/16"
    3.41" to 3.54"
    3.48" to 3.66"
    3 1/2"
    3 1/2" to 3 9/16"
    3 5/8" to 3 11/16"
    3.71" to 3.84"
    3.86" to 4"
    3.94" to 4.07"
    4" to 4 1/16"
    4.29" to 4.54"
    4.37" to 4.62"
    4 3/4"
    4 3/4" to 4 13/16"
    4.92" to 5.1"
    5.21" to 5.37"
    5.49" to 5.67"
    5.92" to 6.1"
    6.33" to 6.49"
    6.53" to 6.63"
    8.67" to 8.73"
    For Shape
    For Shape
    RoundRectangle
    Corner
    Profile
    Profile
    StraightTapered
    Flexibility
    Flexibility
    Flexible
    Rigid
    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
    RoHS Compliant with
    Exemptions
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Thread Type
    Thread Type
    BSPP
    NPT
    UN
    UNEF
    UNF
    UNJ/UNJF
    (JIC)
    UNS
    For Surface Type
    For Surface Type
    Unthreaded
    Threaded
    For Thread Type
    For Thread Type
    NPT
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