System of Measurement
    System of Measurement
    Inch
    Metric
    Number of Flutes
    Number of Flutes
    12
    34
    56
    8
    Number of Milling Ends
    Number of Milling Ends
    1
    2
    End Mill Type
    End Mill Type
    Center Cutting
    Noncenter Cutting
    Individual/Set
    Individual/Set
    IndividualSet
    Shank Type
    Shank Type
    RoundR8 Taper
    Flute Type
    Flute Type
    Spiral
    Straight
    Intersecting
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Helix Angle
    Helix Angle
    15°
    28°
    30°
    33°
    35°
    37°
    40°
    Taper Angle per Side
    Taper Angle per Side
    1/2°
    1 1/2°
    10°
    15°
    20°
    25°
    30°
    45°
    Cutting Angle
    Cutting Angle
    30°
    60°
    82°
    90°
    120°
    Arbor Hole Diameter
    Arbor Hole Diameter
    1/4"
    3/8"
    1/2"
    3/4"
    7/8"
    1"
    1 1/4"
    1 1/2"
    Chamfer Angle
    Chamfer Angle
    24°
    45°
    60°