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    System of Measurement
    System of Measurement
    Inch
    Metric
    For Screw Size
    For Screw Size
    Show
    No. 4
    Thickness
    Thickness
    0.001"
    0.001" to 0.003"
    0.002"
    0.002" to 0.004"
    0.005"
    0.005" to 0.006"
    0.008"
    0.008" to 0.012"
    0.01"
    0.010" to 0.020"
    0.012"
    0.012" to 0.018"
    0.013"
    0.013" to 0.019"
    0.014"
    0.014" to 0.016"
    0.014" to 0.018"
    0.015"
    0.015" to 0.017"
    0.015" to 0.018"
    0.015" to 0.019"
    0.016"
    0.016" to 0.018"
    0.016" to 0.021"
    0.017"
    0.017" to 0.028"
    0.018"
    0.018" to 0.032"
    0.02"
    0.020" to 0.040"
    0.021"
    0.021" to 0.041"
    0.022"
    0.022" to 0.042"
    0.024"
    0.024" to 0.038"
    0.025"
    0.025" to 0.035"
    0.025" to 0.040"
    0.026"
    0.026" to 0.036"
    0.027" to 0.033"
    0.027" to 0.035"
    0.027" to 0.037"
    0.028"
    0.028" to 0.034"
    0.028" to 0.036"
    0.029" to 0.032"
    0.029" to 0.035"
    0.030"
    0.030" to 0.034"
    0.030" to 0.045"
    0.031"
    0.031" to 0.033"
    0.032"
    0.035"
    0.035" to 0.045"
    0.036"
    0.036" to 0.045"
    0.040"
    0.040" to 0.060"
    0.047"
    0.048"
    0.048" to 0.058"
    0.049"
    0.049" to 0.068"
    0.05"
    0.050" to 0.060"
    0.050" to 0.080"
    0.052"
    0.052" to 0.072"
    0.053"
    0.053" to 0.065"
    0.053" to 0.073"
    0.054" to 0.070"
    0.056"
    0.056" to 0.070"
    0.057"
    0.057" to 0.067"
    0.06"
    0.062"
    0.064"
    0.064" to 0.083"
    0.068" to 0.088"
    0.081" to 0.093"
    0.084"
    0.084" to 0.104"
    0.115"
    0.115" to 0.135"
    Specifications Met
    Specifications Met
    AN
    ASME
    ASTM
    Mil. Spec.
    NAS
    SAE
    UL
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    Tooth Location
    Tooth Location
    External
    Internal
    Internal/External
    Fastener Strength Grade/Class
    Fastener Strength
    Grade/Class
    Grade 8
    Shape
    Shape
    RingRound
    ASME Designation
    ASME Designation
    Narrow
    Wide
    Regular
    Countersink Angle
    Countersink Angle
    82°
    100°
    Maximum Pressure for Gases
    Maximum Pressure for Gases
    8,500 psi
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