McMaster-Carr logo
    System of Measurement
    System of Measurement
    Inch
    Metric
    For OD
    For OD
    0.02"
    0.034"
    3/64"
    0.053" to 0.12"
    1/16"
    1/16" to 1/8"
    5/64"
    0.079" to 0.15"
    3/32"
    0.1"
    7/64"
    0.111" to 0.177"
    1/8"
    1/8" to 3/16"
    9/64"
    5/32"
    11/64"
    3/16"
    3/16" to 1/4"
    0.205" to 0.273"
    7/32"
    0.22"
    0.223"
    15/64"
    0.235" to 0.302"
    0.244"
    0.245"
    1/4"
    1/4" to 5/16"
    1/4" to 1/2"
    9/32"
    0.288"
    0.295"
    19/64"
    0.298" to 0.365"
    5/16"
    5/16" to 3/8"
    0.32"
    0.327" to 0.394"
    0.338"
    0.34"
    11/32"
    0.355"
    0.356" to 0.422"
    23/64"
    0.36"
    0.362"
    0.368"
    3/8"
    3/8" to 7/16"
    0.385"
    0.385" to 0.451"
    25/64"
    13/32"
    0.409" to 0.485"
    27/64"
    0.427"
    7/16"
    0.443"
    29/64"
    0.456"
    0.46"
    0.468" to 0.545"
    15/32"
    0.48"
    31/64"
    0.487"
    0.487" to 0.568"
    0.495"
    1/2"
    1/2" to 9/16"
    0.512"
    0.513"
    33/64"
    0.518" to 0.605"
    17/32"
    0.535"
    35/64"
    0.559"
    9/16"
    3/5"
    0.607"
    0.613" to 0.693"
    0.615"
    5/8"
    5/8" to 11/16"
    0.643"
    21/32" to 1 3/8"
    0.663" to 0.761"
    43/64"
    0.679"
    0.687" to 0.785"
    11/16"
    0.695"
    45/64"
    0.72"
    0.73"
    0.74"
    0.74" to 0.849"
    3/4"
    3/4" to 13/16"
    0.753" to 0.868"
    13/16"
    0.835"
    27/32"
    0.85"
    0.852"
    7/8"
    7/8" to 15/16"
    0.893"
    0.901" to 1.027"
    0.933" to 1.083"
    15/16"
    61/64"
    31/32"
    0.973"
    63/64"
    0.992"
    1"
    1" to 1 1/16"
    1.005"
    1 1/32"
    1 1/32" to 2 5/32"
    1 3/64"
    1.053"
    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"
    1.231"
    1.244"
    1.249" to 1.402"
    1 1/4"
    1 1/4" to 1 5/16"
    1.261"
    1.282" to 1.445"
    1.303"
    1 5/16"
    1 3/8"
    1 3/8" to 1 7/16"
    1 7/16" to 2 15/16"
    1.463"
    1.478"
    1.498" to 1.62"
    1 1/2"
    1 1/2" to 1 9/16"
    1.548"
    1.568" to 1.688"
    1.604"
    1 5/8"
    1 5/8" to 1 11/16"
    1 21/32"
    1 11/16" to 2 3/8"
    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"
    1.841"
    1 7/8"
    1 7/8" to 1 15/16"
    1 29/32"
    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"
    2.313"
    2.333" to 2.54"
    2 3/8"
    2 3/8" to 2 7/16"
    2.395" to 2.688"
    2 1/2"
    2 1/2" to 2 9/16"
    2 1/2" to 3"
    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"
    2.792"
    2 7/8"
    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 5/16" to 4 9/16"
    3.41" to 3.54"
    3.411"
    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"
    4" to 4 1/16"
    4.29" to 4.54"
    4.37" to 4.62"
    4.412"
    4 1/2"
    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 9/16"
    5.92" to 6.1"
    6.33" to 6.49"
    6.53" to 6.63"
    6 5/8"
    8.67" to 8.73"
    5 to 6 mm
    6 to 7 mm
    9 to 10 mm
    10 to 11 mm
    11 to 12 mm
    12 to 13 mm
    13 to 15 mm
    14 to 16 mm
    18 to 20 mm
    20 to 22 mm
    24 to 26 mm
    For Shape
    For Shape
    RoundRectangle
    Square
    Profile
    Profile
    StraightTapered
    Flexibility
    Flexibility
    Flexible
    Rigid
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    For Knockout Trade Size
    For Knockout Trade Size
    1/2 
    3/4 
    1
    1 1/4
    1 1/2
    2
    2 1/2
    3
    3 1/2
    4
    Thread Type
    Thread Type
    UN
    Metric
    PG
    Specifications Met
    Specifications Met
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