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    System of Measurement
    System of Measurement
    Inch
    Metric
    Tolerance Rating
    Tolerance Rating
    Standard
    Tight
    Undersized
    Oversized
    Heat Treatment
    Heat Treatment
    Annealed (Softened)
    Hardened
    Case Hardened
    Hardness Rating
    Hardness Rating
    Medium
    Hard
    Very Hard
    Not Rated
    ID
    ID
    default
    0.004"
    0.005"
    0.006"
    0.007"
    0.008"
    0.01"
    0.012"
    0.013"
    0.014"
    0.016"
    0.017"
    0.02"
    0.021"
    0.022"
    0.023"
    0.024"
    0.025"
    0.026"
    0.027"
    0.028"
    0.03"
    0.032"
    0.033"
    0.034"
    0.035"
    0.038"
    0.039"
    0.04"
    0.042"
    0.046"
    0.047"
    0.048"
    0.049"
    0.05"
    0.052"
    0.053"
    0.054"
    0.055"
    0.058"
    0.06"
    0.063"
    0.064"
    0.067"
    0.069"
    0.071"
    0.072"
    0.074"
    0.077"
    0.082"
    0.084"
    0.085"
    0.086"
    0.09"
    0.091"
    0.093"
    0.094"
    0.095"
    0.1"
    0.105"
    0.106"
    0.114"
    0.115"
    0.116"
    0.118"
    0.12"
    1/8"
    0.126"
    0.128"
    0.132"
    0.135"
    0.136"
    0.145"
    0.146"
    0.147"
    0.148"
    0.15"
    0.152"
    0.158"
    0.16"
    0.162"
    0.166"
    0.167"
    0.168"
    0.173"
    0.178"
    0.18"
    0.183"
    0.188"
    0.189"
    0.194"
    0.198"
    0.199"
    0.205"
    0.208"
    0.209"
    0.21"
    0.211"
    0.215"
    0.216"
    0.218"
    0.22"
    0.225"
    0.23"
    0.239"
    0.24"
    0.241"
    0.242"
    0.243"
    0.245"
    0.251"
    0.256"
    0.257"
    0.26"
    0.261"
    0.271"
    0.272"
    0.273"
    0.277"
    0.281"
    0.282"
    0.292"
    0.305"
    5/16"
    0.319"
    0.334"
    0.335"
    0.34"
    0.344"
    0.345"
    0.355"
    0.37"
    0.374"
    3/8"
    0.382"
    0.385"
    0.402"
    0.43"
    7/16"
    0.444"
    0.459"
    0.46"
    0.495"
    1/2"
    0.507"
    0.51"
    0.527"
    0.555"
    0.558"
    0.569"
    0.584"
    0.585"
    0.62"
    0.624"
    5/8"
    0.635"
    0.652"
    0.68"
    11/16"
    0.694"
    0.71"
    0.745"
    3/4"
    0.76"
    0.777"
    0.805"
    0.834"
    0.87"
    0.874"
    7/8"
    0.885"
    0.902"
    0.93"
    15/16"
    0.96"
    1"
    1.01"
    1.084"
    1.12"
    1.124"
    1 1/8"
    1.13"
    1.152"
    1.154"
    1.18"
    1.245"
    1 1/4"
    1.26"
    1.277"
    1.305"
    1.31"
    1.334"
    1.37"
    1.374"
    1.38"
    1.402"
    1.404"
    1.43"
    1.46"
    1 1/2"
    1.62"
    1 5/8"
    1.652"
    1.68"
    1 3/4"
    1.76"
    1.834"
    1.87"
    1.902"
    1.93"
    1.96"
    1.995"
    2"
    2.12"
    2 1/8"
    2.245"
    2 1/4"
    2.26"
    2.334"
    2.37"
    2 1/2"
    2.62"
    2 5/8"
    2 3/4"
    2.76"
    2.834"
    2.87"
    3"
    3 1/8"
    3 1/4"
    3.37"
    3 1/2"
    3.624"
    3 3/4"
    3.83"
    3.834"
    3.87"
    4"
    4 1/4"
    4 1/2"
    4.624"
    5"
    5 1/4"
    5 1/2"
    5.78"
    7.78"
    0.5mm
    1mm
    1.2mm
    1.5mm
    2mm
    2.2mm
    2.5mm
    3mm
    3.2mm
    3.5mm
    4mm
    4.2mm
    4.5mm
    5mm
    5.2mm
    5.5mm
    6mm
    6.5mm
    7mm
    7.2mm
    7.5mm
    8mm
    9mm
    10mm
    11mm
    12mm
    13mm
    14mm
    15mm
    16mm
    18mm
    19mm
    20mm
    21mm
    22mm
    26mm
    32mm
    38mm
    44mm
    46mm
    50mm
    66mm
    81mm
    100mm
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