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    System of Measurement
    System of Measurement
    Inch
    Metric
    Washer Type
    Washer Type
    FlatSelf-Retaining
    OD
    OD
    default
    0.109"
    0.142"
    0.150"
    0.176"
    0.210"
    0.241"
    0.250"
    0.254"
    0.255"
    0.256"
    0.285"
    0.287"
    0.297"
    0.312"
    0.316"
    0.318"
    0.348"
    0.349"
    0.367"
    3/8"
    0.379"
    0.380"
    0.412"
    0.429"
    0.433"
    0.438"
    0.441"
    0.443"
    0.449"
    0.472"
    0.495"
    1/2"
    0.504"
    0.505"
    0.512"
    0.558"
    0.562"
    0.566"
    0.568"
    0.574"
    0.624"
    5/8"
    0.629"
    0.630"
    0.637"
    0.669"
    0.688"
    0.691"
    0.693"
    0.694"
    0.699"
    3/4"
    0.754"
    0.755"
    0.762"
    0.812"
    0.816"
    0.818"
    0.824"
    0.832"
    7/8"
    0.879"
    0.880"
    0.887"
    0.895"
    0.900"
    0.938"
    0.941"
    0.943"
    0.949"
    0.957"
    1"
    1.004"
    1.005"
    1.012"
    1.020"
    1.062"
    1.063"
    1.066"
    1.068"
    1.074"
    1.082"
    1.095"
    1 1/8"
    1.129"
    1.130"
    1.137"
    1.145"
    1.156"
    1.188"
    1.191"
    1.193"
    1.199"
    1.207"
    1.218"
    1 1/4"
    1.254"
    1.255"
    1.262"
    1.270"
    1.279"
    1.312"
    1.316"
    1.318"
    1.324"
    1.332"
    1.379"
    1.380"
    1.387"
    1.395"
    1.403"
    1.441"
    1.443"
    1.449"
    1.457"
    1.500"
    1.504"
    1.505"
    1.512"
    1.520"
    1.562"
    1.568"
    1.574"
    1.582"
    1.587"
    1 5/8"
    1.629"
    1.630"
    1.637"
    1.645"
    1.693"
    1.699"
    1.707"
    1.711"
    1 3/4"
    1.754"
    1.755"
    1.762"
    1.770"
    1.818"
    1.879"
    1.880"
    1.887"
    1.895"
    1.943"
    1.956"
    2"
    2.004"
    2.005"
    2.012"
    2.020"
    2.025"
    2.068"
    2 1/8"
    2.129"
    2.131"
    2.137"
    2.145"
    2.150"
    2.193"
    2.254"
    2.256"
    2.262"
    2.270"
    2.275"
    2.318"
    2.326"
    2.379"
    2.381"
    2.387"
    2.395"
    2.400"
    2.443"
    2.504"
    2.506"
    2.512"
    2.520"
    2.525"
    2.568"
    2.573"
    2.629"
    2.631"
    2.637"
    2.645"
    2.650"
    2.693"
    2 3/4"
    2.754"
    2.756"
    2.762"
    2.770"
    2.775"
    2.818"
    2.879"
    2.881"
    2.887"
    2.895"
    2.900"
    2.943"
    3.004"
    3.006"
    3.012"
    3.020"
    3.025"
    3.068"
    3.129"
    3.137"
    3.145"
    3.150"
    3.193"
    3.262"
    3.270"
    3.275"
    3.379"
    3.387"
    3.395"
    3.400"
    3.443"
    3.512"
    3.520"
    3.525"
    3.629"
    3.637"
    3.645"
    3.650"
    3.693"
    3.762"
    3.770"
    3.775"
    3.879"
    3.887"
    3.895"
    3.900"
    3.943"
    4.012"
    4.020"
    4.025"
    4.129"
    4.137"
    4.145"
    4.150"
    4.193"
    4.262"
    4.270"
    4.275"
    4.379"
    4.387"
    4.395"
    4.400"
    4.443"
    4.512"
    4.520"
    4.525"
    4.629"
    4.637"
    4.645"
    4.650"
    4.693"
    4.762"
    4.770"
    4.775"
    4.879"
    4.887"
    4.895"
    4.900"
    4.943"
    5.012"
    5.020"
    5.025"
    5.129"
    5.137"
    5.145"
    5.150"
    5.193"
    5.262"
    5.270"
    5.275"
    5.379"
    5.387"
    5.395"
    5.400"
    5.443"
    5.512"
    5.520"
    5.525"
    5.629"
    5.637"
    5.645"
    5.650"
    5.693"
    5.762"
    5.770"
    5.775"
    5.879"
    5.887"
    5.895"
    5.900"
    5.943"
    6.012"
    6.020"
    6.025"
    6.129"
    6.137"
    6.145"
    6.150"
    6.193"
    6.262"
    6.270"
    6.275"
    6.379"
    6.395"
    6.400"
    6.443"
    6.512"
    6.525"
    6.629"
    6.645"
    6.693"
    6.762"
    6.775"
    6.895"
    6.943"
    6.985"
    7.012"
    7.025"
    7.145"
    7.193"
    7.262"
    7.275"
    7.395"
    7.443"
    7.512"
    7.525"
    7.645"
    7.693"
    7.762"
    7.775"
    7.895"
    7.943"
    8.012"
    8.025"
    8.145"
    8.193"
    8.262"
    8.275"
    8.395"
    8.443"
    8.512"
    8.525"
    8.645"
    8.693"
    8.762"
    8.895"
    8.943"
    9.012"
    9.025"
    9.145"
    9.193"
    9.262"
    9.395"
    9.443"
    9.512"
    9.525"
    9.645"
    9.693"
    9.762"
    9.895"
    9.943"
    10.012"
    10.025"
    10.145"
    10.262"
    10.395"
    10.525"
    10.762"
    10.895"
    11.025"
    11.262"
    11.395"
    11.525"
    11.762"
    11.895"
    12.025"
    12.262"
    12.395"
    12.525"
    13.025"
    13.262"
    13.395"
    13.525"
    14.025"
    14.262"
    14.395"
    14.525"
    15.025"
    15.262"
    15.395"
    15.525"
    16.025"
    16.233"
    16 3/8"
    16.505"
    17.005"
    17.233"
    17 3/8"
    17.505"
    18.005"
    18.233"
    18 3/8"
    18.505"
    19.005"
    19 3/8"
    19.505"
    20.005"
    20 3/8"
    20.505"
    21 3/8"
    21.505"
    22 3/8"
    22.505"
    23.360"
    23.490"
    24.360"
    24.490"
    25.360"
    25.490"
    26.360"
    26.490"
    27.490"
    4.000mm
    4.5 mm
    5.0 mm
    5.400mm
    5.5 mm
    6.0 mm
    6.300mm
    6.500mm
    7.0 mm
    7.300mm
    7.500mm
    8mm
    8.300mm
    8.500mm
    9.0 mm
    9.500mm
    10mm
    10.300mm
    10.400mm
    10.500mm
    11.0 mm
    11.100mm
    11.500mm
    12.000mm
    12.300mm
    12.400mm
    12.5mm
    12.700mm
    13.000mm
    13.300mm
    13.500mm
    14.0 mm
    14.300mm
    14.500mm
    15.0 mm
    15.300mm
    16mm
    16.100mm
    16.300mm
    17.000mm
    18mm
    19.000mm
    20.0 mm
    21.0 mm
    22.000mm
    23.0 mm
    24.0 mm
    25.0 mm
    26.0 mm
    27.000mm
    28.0 mm
    29.0 mm
    30.0 mm
    31.000mm
    32.0 mm
    33.0 mm
    34.0 mm
    35.0 mm
    36.0 mm
    38.0 mm
    39.0 mm
    40.0 mm
    41.000mm
    43.000mm
    44.0 mm
    45.0 mm
    46.000mm
    47.000mm
    48.000mm
    49.0 mm
    50.0 mm
    51.000mm
    52.0 mm
    54.000mm
    55.0 mm
    56.0 mm
    59.000mm
    60.000mm
    61.000mm
    62.0 mm
    64.000mm
    65.000mm
    66.000mm
    68.0 mm
    69.0 mm
    71.000mm
    74.0 mm
    76.000mm
    79.000mm
    81.0 mm
    86.0 mm
    89.000mm
    93.000mm
    96.000mm
    100.000mm
    104.0 mm
    106.000mm
    115.500mm
    120.500mm
    126.0 mm
    128.000mm
    148.000mm
    151.000mm
    158.000mm
    ID
    ID
    default
    0.029"
    0.042"
    0.049"
    0.056"
    0.070"
    0.081"
    0.094"
    0.101"
    0.106"
    0.112"
    0.114"
    0.120"
    1/8"
    0.143"
    0.145"
    0.150"
    0.156"
    0.17"
    0.171"
    0.174"
    0.176"
    0.185"
    3/16"
    0.188"
    0.195"
    0.206"
    0.208"
    0.209"
    0.23"
    0.234"
    0.237"
    0.239"
    0.250"
    0.252"
    0.275"
    0.290"
    0.296"
    0.299"
    0.301"
    0.312"
    5/16"
    0.331"
    0.351"
    0.355"
    0.359"
    0.362"
    0.364"
    3/8"
    0.412"
    0.414"
    0.421"
    0.424"
    0.426"
    7/16"
    0.438"
    0.468"
    0.475"
    0.484"
    0.487"
    0.489"
    0.490"
    1/2"
    0.530"
    0.537"
    0.546"
    0.549"
    0.551"
    0.562"
    9/16"
    0.600"
    0.609"
    0.612"
    0.614"
    0.615"
    5/8"
    0.644"
    0.662"
    0.671"
    0.674"
    0.676"
    11/16"
    0.688"
    0.706"
    0.725"
    0.734"
    0.737"
    0.739"
    0.740"
    3/4"
    0.755"
    0.787"
    0.796"
    0.799"
    0.801"
    0.812"
    0.850"
    0.859"
    0.862"
    0.863"
    0.864"
    7/8"
    0.912"
    0.921"
    0.924"
    0.926"
    0.938"
    0.975"
    0.984"
    0.986"
    0.987"
    0.989"
    0.990"
    1"
    1.031"
    1.037"
    1.046"
    1.047"
    1.049"
    1.051"
    1.100"
    1.109"
    1.112"
    1.114"
    1.162"
    1.171"
    1.174"
    1.176"
    1.188"
    1.225"
    1.234"
    1.237"
    1.239"
    1 1/4"
    1.287"
    1.296"
    1.299"
    1.301"
    1.350"
    1.355"
    1.359"
    1.362"
    1.364"
    1.421"
    1.424"
    1.475"
    1.484"
    1.487"
    1.489"
    1 1/2"
    1.549"
    1.600"
    1.609"
    1.612"
    1.614"
    1.674"
    1.720"
    1.725"
    1.734"
    1.737"
    1.739"
    1 3/4"
    1.799"
    1.850"
    1.859"
    1.862"
    1.864"
    1.925"
    1.975"
    1.984"
    1.987"
    1.989"
    2"
    2.050"
    2.090"
    2.100"
    2.109"
    2.112"
    2.114"
    2.175"
    2.225"
    2.234"
    2.237"
    2.239"
    2.300"
    2.337"
    2.350"
    2.359"
    2.362"
    2.364"
    2.425"
    2.475"
    2.484"
    2.487"
    2.489"
    2 1/2" to 50"
    2.550"
    2.600"
    2.609"
    2.612"
    2.614"
    2.675"
    2.725"
    2.734"
    2.737"
    2.739"
    2.800"
    2.850"
    2.859"
    2.862"
    2.864"
    2.975"
    2.984"
    2.987"
    2.989"
    3.100"
    3.109"
    3.225"
    3.234"
    3.237"
    3.239"
    3.350"
    3.359"
    3.475"
    3.484"
    3.487"
    3.489"
    3.600"
    3.609"
    3.725"
    3.734"
    3.737"
    3.739"
    3.850"
    3.859"
    3.975"
    3.984"
    3.987"
    3.989"
    4.100"
    4.109"
    4.225"
    4.234"
    4.237"
    4.239"
    4.350"
    4.359"
    4.475"
    4.484"
    4.487"
    4.489"
    4.600"
    4.609"
    4.725"
    4.734"
    4.737"
    4.739"
    4.850"
    4.859"
    4.975"
    4.984"
    4.987"
    4.989"
    5.100"
    5.109"
    5.225"
    5.234"
    5.237"
    5.239"
    5.350"
    5.359"
    5.475"
    5.484"
    5.487"
    5.489"
    5.600"
    5.609"
    5.725"
    5.734"
    5.737"
    5.739"
    5.850"
    5.859"
    5.975"
    5.984"
    5.987"
    5.989"
    6.225"
    6.234"
    6.237"
    6.239"
    6.475"
    6.484"
    6.487"
    6.489"
    6.725"
    6.734"
    6.737"
    6.975"
    6.984"
    6.987"
    7.225"
    7.234"
    7.237"
    7.475"
    7.484"
    7.487"
    7.725"
    7.734"
    7.737"
    7.975"
    7.984"
    7.987"
    8.225"
    8.234"
    8.237"
    8.475"
    8.484"
    8.487"
    8.725"
    8.734"
    8.737"
    8.975"
    8.984"
    8.987"
    9.225"
    9.234"
    9.237"
    9.475"
    9.484"
    9.487"
    9.725"
    9.734"
    9.737"
    9.975"
    9.984"
    10.475"
    10.484"
    10.975"
    10.984"
    11.475"
    11.484"
    11.975"
    11.984"
    12.475"
    12.975"
    12.984"
    13.457"
    13.475"
    13.975"
    13.984"
    14.475"
    14.975"
    14.984"
    15.475"
    15.955"
    16.455"
    16.955"
    17.455"
    17.955"
    18.455"
    18.955"
    19.455"
    19.955"
    20.955"
    21.955"
    22.940"
    23.940"
    24.940"
    25.940"
    2.000mm
    2.2 mm
    2.500mm
    3.000mm
    3.100mm
    3.500mm
    4.000mm
    4.1 mm
    4.500mm
    5.000mm
    5.100mm
    5.500mm
    5.600mm
    5.700mm
    6.000mm
    6.300mm
    6.500mm
    7.000mm
    7.100mm
    7.500mm
    7.600mm
    8.0 mm
    8.500mm
    8.900mm
    9.000mm
    9.100mm
    9.500mm
    10.0 mm
    10.100mm
    11.000mm
    11.100mm
    11.500mm
    12.0 mm
    12.100mm
    12.500mm
    13.0 mm
    13.100mm
    14.0 mm
    15.0 mm
    16.0 mm
    17.0 mm
    18.0 mm
    19.0 mm
    20.0 mm
    21.0 mm
    22.0 mm
    23.0 mm
    24.0 mm
    25.0 mm
    26.000mm
    27.000mm
    28.0 mm
    30.0 mm
    31.0 mm
    32.0 mm
    33.000mm
    34.000mm
    35.0 mm
    36.000mm
    38.0 mm
    39.000mm
    40.0 mm
    41.000mm
    42.0 mm
    43.000mm
    44.000mm
    45.0 mm
    48.0 mm
    50.0 mm
    54.000mm
    55.0 mm
    56.000mm
    59.000mm
    60.0 mm
    62.000mm
    63.5 to 1,300mm
    65.0 mm
    70.0 mm
    75.0 mm
    80.0 mm
    85.0 mm
    90.0 mm
    94.000mm
    100.0 mm
    109.500mm
    114.500mm
    120.0 mm
    140.0 mm
    145.0 mm
    150.0 mm
    Thickness
    Thickness
    0.002"
    0.028" to 0.034"
    0.037" to 0.049"
    0.045" to 0.057"
    0.057" to 0.069"
    0.073" to 0.085"
    0.083" to 0.103"
    1/8"
    Specifications Met
    Specifications Met
    AN
    ASTM
    FDA
    Mil. Spec.
    SAE
    USP
    Color
    Color
    Show
    Red
    Cross Section Shape
    Cross Section Shape
    RoundSquare
    Hardness Rating
    Hardness Rating
    Medium
    Soft
    Extra Hard