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    System of Measurement
    System of Measurement
    Inch
    Metric
    Head Type
    Head Type
    FlatOval
    Neck Type
    Neck Type
    SquareRibbed
    Key Locking
    Fastener Strength Grade/Class
    Fastener Strength
    Grade/Class
    Grade 2Grade 5
    Grade 8
    Barrel Diameter
    Barrel Diameter
    default
    1/4"
    5/16"
    3/8"
    1/2"
    5/8"
    3/4"
    7/8"
    Thread Spacing
    Thread Spacing
    Coarse
    Fine
    Thread Type
    Thread Type
    UNC
    UNF
    Metric
    Flat Head Profile
    Flat Head Profile
    Wide
    Standard
    Thread Fit
    Thread Fit
    Class 2A
    Class 3A
    Class 6g
    Trade Number
    Trade Number
    No. 1
    No. 3
    No. 7
    Countersink Angle
    Countersink Angle
    default
    60°
    82°
    Barrel Drive Style
    Barrel Drive Style
    No
    Drive
    Hex
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