Choose a Category
    System of Measurement
    System of Measurement
    Inch
    Metric
    Head Type
    Head Type
    RoundedHex
    FlatOval
    Drive Style
    Drive Style
    PhillipsExternal
    Hex
    Square
    Thread Size
    Thread Size
    4-40
    6-32
    8-32
    10-24
    10-32
    1/4"-20
    Tapping Screw Type
    Tapping Screw Type
    F
    23/T
    17
    25/BT
    C
    Tip Type
    Tip Type
    BluntPointed
    Tapping Method
    Tapping Method
    Thread CuttingThread
    Forming
    Head Width
    Head Width
    default
    0.25"
    0.313"
    0.375"
    Drive Size
    Drive Size
    No. 1
    No. 2
    No. 3
    Approximate Threads per Inch
    Approximate
    Threads per Inch
    9
    11
    13
    14
    16
    18
    20
    24
    32
    Drill Bit Size Decimal Equivalent
    Drill Bit Size
    Decimal Equivalent
    0.063"
    0.073"
    0.078"
    0.096"
    0.116"
    0.12"
    0.136"
    0.147"
    0.159"
    0.173"
    0.228"
    Thread Type
    Thread Type
    UNC
    UNF
    Thread Spacing
    Thread Spacing
    Coarse
    Fine
    Countersink Angle
    Countersink Angle
    default
    80°
    82°
    Flat Head Profile
    Flat Head Profile
    Standard
    Narrow
    Undercut
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