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    Hardened Steel
    System of Measurement
    System of Measurement
    Inch
    Metric
    Wire Gauge
    Letter
    Size
    Size
    default
    0.0020"
    0.0024"
    0.0028"
    0.0032"
    0.0039"
    0.0043"
    0.0047"
    0.0051"
    0.0055"
    0.0059"
    0.0071"
    0.0075"
    0.0079"
    0.0087"
    0.0098"
    0.0102"
    0.0106"
    0.0110"
    0.0118"
    0.0126"
    0.0130"
    0.0142"
    0.0150"
    1/64"
    0.0181"
    0.0189"
    0.0197"
    1/32"
    3/64"
    1/16"
    5/64"
    3/32"
    7/64"
    1/8"
    9/64"
    5/32"
    11/64"
    3/16"
    13/64"
    7/32"
    15/64"
    1/4"
    17/64"
    9/32"
    19/64"
    5/16"
    21/64"
    11/32"
    23/64"
    3/8"
    25/64"
    13/32"
    27/64"
    7/16"
    29/64"
    15/32"
    31/64"
    1/2"
    33/64"
    17/32"
    35/64"
    9/16"
    37/64"
    19/32"
    39/64"
    5/8"
    41/64"
    21/32"
    43/64"
    11/16"
    45/64"
    23/32"
    47/64"
    3/4"
    49/64"
    25/32"
    51/64"
    13/16"
    53/64"
    27/32"
    55/64"
    7/8"
    57/64"
    29/32"
    59/64"
    15/16"
    61/64"
    31/32"
    63/64"
    1"
    1 1/32"
    1 1/16"
    1 1/8"
    1 5/32"
    1 3/16"
    1 1/4"
    1 5/16"
    1 3/8"
    1 7/16"
    1 1/2"
    1 9/16"
    1 5/8"
    1 3/4"
    2"
    2 1/4"
    2 1/2"
    0.40 mm
    0.45 mm
    0.55 mm
    0.70 mm
    0.85 mm
    0.90 mm
    1.0 mm
    1.05 mm
    1.1 mm
    1.15 mm
    1.2 mm
    1.25 mm
    1.3 mm
    1.35 mm
    1.4 mm
    1.45 mm
    1.5mm
    1.55 mm
    1.6 mm
    1.65 mm
    1.7 mm
    1.75 mm
    1.8 mm
    1.85 mm
    1.9 mm
    1.95 mm
    2.0 mm
    2.05 mm
    2.1 mm
    2.15 mm
    2.2 mm
    2.25 mm
    2.3 mm
    2.35 mm
    2.4 mm
    2.45 mm
    2.5 mm
    2.55 mm
    2.6 mm
    2.65 mm
    2.7 mm
    2.75 mm
    2.8 mm
    2.85 mm
    2.9 mm
    3.0 mm
    3.1 mm
    3.2 mm
    3.25 mm
    3.3 mm
    3.4 mm
    3.5 mm
    3.6 mm
    3.7 mm
    3.8 mm
    3.9 mm
    4.0 mm
    4.1 mm
    4.15 mm
    4.2 mm
    4.25 mm
    4.3 mm
    4.4 mm
    4.5 mm
    4.55 mm
    4.6 mm
    4.7 mm
    4.75 mm
    4.8 mm
    4.9 mm
    5.0 mm
    5.1 mm
    5.2 mm
    5.25 mm
    5.3 mm
    5.4 mm
    5.5 mm
    5.6 mm
    5.7 mm
    5.75 mm
    5.8 mm
    5.9 mm
    6.0 mm
    6.1 mm
    6.2 mm
    6.3 mm
    6.4 mm
    6.5 mm
    6.6 mm
    6.7 mm
    6.8 mm
    6.9 mm
    7.0 mm
    7.1 mm
    7.2 mm
    7.3 mm
    7.4 mm
    7.5 mm
    7.6 mm
    7.7 mm
    7.8 mm
    7.9 mm
    8.0 mm
    8.1 mm
    8.2 mm
    8.3 mm
    8.4 mm
    8.5 mm
    8.6 mm
    8.7 mm
    8.8 mm
    8.9 mm
    9.0 mm
    9.2 mm
    9.3 mm
    9.4 mm
    9.5 mm
    9.6 mm
    9.7 mm
    10.0 mm
    10.1 mm
    10.2 mm
    10.3 mm
    10.4 mm
    10.5 mm
    10.6 mm
    10.7 mm
    10.8 mm
    10.9 mm
    11.0 mm
    11.1 mm
    11.2 mm
    11.3 mm
    11.4 mm
    11.5 mm
    11.6 mm
    11.7 mm
    11.75 mm
    11.8 mm
    12.0 mm
    12.5 mm
    13.0 mm
    13.5 mm
    14.0 mm
    14.5 mm
    15.0 mm
    15.5 mm
    16.0 mm
    16.5 mm
    17.0 mm
    17.5 mm
    18.0 mm
    18.5 mm
    19.0 mm
    19.5 mm
    20.0 mm
    21.0 mm
    21.5 mm
    22.0 mm
    23.0 mm
    24.0 mm
    25.0 mm
    26.0 mm
    28.0 mm
    29.0 mm
    30.0 mm
    31.0 mm
    32.0 mm
    33.0 mm
    35.0 mm
    1 ga
    2 ga
    3 ga
    4 ga
    5 ga
    6 ga
    7 ga
    8 ga
    9 ga
    10 ga
    11 ga
    12 ga
    13 ga
    14 ga
    15 ga
    16 ga
    17 ga
    18 ga
    19 ga
    20 ga
    21 ga
    22 ga
    23 ga
    24 ga
    25 ga
    26 ga
    27 ga
    28 ga
    29 ga
    30 ga
    31 ga
    32 ga
    33 ga
    34 ga
    35 ga
    36 ga
    37 ga
    38 ga
    39 ga
    40 ga
    41 ga
    42 ga
    43 ga
    44 ga
    45 ga
    46 ga
    47 ga
    48 ga
    49 ga
    50 ga
    51 ga
    52 ga
    53 ga
    54 ga
    55 ga
    56 ga
    57 ga
    58 ga
    59 ga
    60 ga
    61 ga
    62 ga
    63 ga
    64 ga
    65 ga
    66 ga
    67 ga
    68 ga
    69 ga
    70 ga
    71 ga
    72 ga
    73 ga
    74 ga
    75 ga
    76 ga
    77 ga
    78 ga
    79 ga
    80 ga
    A
    B
    C
    D
    E
    F
    G
    H
    I
    J
    K
    L
    M
    N
    O
    P
    Q
    R
    S
    T
    U
    V
    W
    X
    Y
    Z
    Number of Flutes
    Number of Flutes
    01
    23
    45
    67
    89
    1011
    1214
    16
    Overall Length
    Overall Length
    0.63"
    3/4"
    0.83"
    7/8"
    0.90"
    1"
    1 1/8"
    1 1/4"
    1 3/8"
    1 1/2"
    1 19/32"
    1 5/8"
    1 21/32"
    1 11/16"
    1 11/16"-2"
    1.69"
    1 23/32"
    1 3/4"
    1 3/4"-2"
    1 3/4"-2 3/4"
    1 3/4"-3"
    1 25/32"
    1 13/16"
    1 7/8"
    1 57/64"
    1 15/16"
    1.96"
    2"
    2"-3"
    2 1/64"
    2.02"
    2 1/32"
    2 3/64"
    2 1/16"
    2 3/32"
    2 1/8"
    2 5/32"
    2 3/16"
    2 3/16"-3"
    2 7/32"
    2 15/64"
    2 1/4"
    2 9/32"
    2 5/16"
    2 3/8"
    2 13/32"
    2 7/16"
    2 15/32"
    2 31/64"
    2 1/2"
    2 17/32"
    2 19/32"
    2 5/8"
    2 41/64"
    2 11/16"
    2 23/32"
    2 3/4"
    2 25/32"
    2 13/16"
    2 53/64"
    2 27/32"
    2 7/8"
    2 57/64"
    2 29/32"
    2 15/16"
    3"
    3 1/32"
    3 1/16"
    3 3/32"
    3 1/8"
    3 9/64"
    3 5/32"
    3 3/16"
    3 1/4"
    3 5/16"
    3 23/64"
    3 3/8"
    3 13/32"
    3 7/16"
    3 1/2"
    3 9/16"
    3 19/32"
    3 5/8"
    3 21/32"
    3 11/16"
    3 3/4"
    3 25/32"
    3 13/16"
    3 7/8"
    3 29/32"
    3 15/16"
    4"
    4 1/16"
    4 1/8"
    4.13"
    4 3/16"
    4 1/4"
    4.31"
    4 5/16"
    4 3/8"
    4 7/16"
    4 15/32"
    4 1/2"
    4 9/16"
    4 5/8"
    4 3/4"
    4 13/16"
    4 7/8"
    5"
    5 3/32"
    5 1/8"
    5 1/4"
    5 3/8"
    5 1/2"
    5 5/8"
    5 3/4"
    5 7/8"
    6"
    6 3/32"
    6 1/8"
    6 1/4"
    6 1/4"-7"
    6 5/16"
    6 3/8"
    6 7/16"
    6 1/2"
    6 5/8"
    6 3/4"
    6 7/8"
    7"
    7 1/16"
    7 1/8"
    7 1/4"
    7 3/8"
    7 1/2"
    7 5/8"
    7 3/4"
    8"
    8 1/8"
    8 1/4"
    8 3/8"
    8 1/2"
    8 5/8"
    8 3/4"
    8 7/8"
    9"
    9 1/4"
    9 3/8"
    9 1/2"
    9 3/4"
    10"
    10 1/8"
    10 1/4"
    10 3/8"
    10 1/2"
    10 3/4"
    11"
    11 1/4"
    11 1/2"
    12"
    12 1/4"
    12 3/8"
    12 1/2"
    12 5/8"
    12 3/4"
    12 7/8"
    13"
    13 1/2"
    14 1/4"
    16"
    18"
    93"
    120"
    132"
    138"
    144"
    174"
    25mm
    26mm
    28mm
    30mm
    32mm
    33mm
    34mm
    36mm
    38mm
    38.1 mm
    40mm
    41mm
    43mm
    44mm
    44.5 mm
    46mm
    48mm
    49mm
    50mm
    51mm
    52mm
    53mm
    54mm
    55mm
    56mm
    57mm
    57.2 mm
    59mm
    60mm
    61mm
    62mm
    63mm
    63.5mm
    64mm
    65mm
    67mm
    69mm
    69.8 mm
    70mm
    72mm
    73mm
    74mm
    75mm
    76mm
    76.2 mm
    78mm
    79mm
    80mm
    82mm
    82.5 mm
    82.6 mm
    83mm
    84mm
    86mm
    88.9 mm
    89mm
    92mm
    93mm
    94mm
    95mm
    98mm
    100mm
    101mm
    101.6 mm
    102mm
    104mm
    105mm
    106mm
    108mm
    109mm
    110mm
    111mm
    114mm
    114.3 mm
    117mm
    121mm
    124mm
    125mm
    127mm
    130mm
    133mm
    140mm
    141mm
    142mm
    143mm
    146mm
    149mm
    150 mm
    151mm
    152mm
    152.4 mm
    156mm
    160mm
    169mm
    177.8 mm
    203.2 mm
    228.6 mm
    241.3 mm
    Individual/Set
    Individual/Set
    Individual
    Set
    Chamfer Angle
    Chamfer Angle
    45°
    60°
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    For T-Slot Bolt Size
    For T-Slot Bolt Size
    1/4"
    5/16"
    3/8"
    1/2"
    5/8"
    3/4"
    1"
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Number of Milling Ends
    Number of Milling Ends
    1
    2
    Decimal Size Equivalent
    Decimal Size Equivalent
    0.002"
    0.0024"
    0.0028"
    0.0032"
    0.0039"
    0.0043"
    0.0047"
    0.0051"
    0.0055"
    0.0059"
    0.0071"
    0.0075"
    0.0079"
    0.0087"
    0.0098"
    0.0102"
    0.0106"
    0.011"
    0.0118"
    0.0126"
    0.013"
    0.0135"
    0.0142"
    0.0145"
    0.015"
    0.0156"
    0.0157"
    0.016"
    0.0177"
    0.018"
    0.0181"
    0.0189"
    0.0197"
    0.02"
    0.021"
    0.0217"
    0.0225"
    0.024"
    0.025"
    0.026"
    0.0276"
    0.028"
    0.0292"
    0.031"
    0.0312"
    0.0313"
    0.032"
    0.033"
    0.0335"
    0.035"
    0.0354"
    0.036"
    0.037"
    0.038"
    0.039"
    0.0394"
    0.04"
    0.041"
    0.0413"
    0.042"
    0.043"
    0.0433"
    0.0452"
    0.0453"
    0.0465"
    0.0469"
    0.047"
    0.0472"
    0.0492"
    0.0511"
    0.0512"
    0.052"
    0.0531"
    0.055"
    0.0551"
    0.0571"
    0.059"
    0.0591"
    0.0595"
    0.061"
    0.0625"
    0.063"
    0.0635"
    0.065"
    0.0669"
    0.067"
    0.0689"
    0.069"
    0.07"
    0.0708"
    0.0709"
    0.0728"
    0.073"
    0.0748"
    0.0757"
    0.076"
    0.0768"
    0.0781"
    0.0785"
    0.0787"
    0.0807"
    0.081"
    0.082"
    0.0827"
    0.0846"
    0.086"
    0.0866"
    0.0886"
    0.089"
    0.0906"
    0.0925"
    0.0935"
    0.0938"
    0.0945"
    0.096"
    0.0965"
    0.098"
    0.0984"
    0.0995"
    0.1004"
    0.1015"
    0.1024"
    0.104"
    0.1043"
    0.1063"
    0.1065"
    0.1083"
    0.1094"
    0.11"
    0.1102"
    0.111"
    0.1122"
    0.113"
    0.1142"
    0.116"
    0.1181"
    0.12"
    0.122"
    0.125"
    0.126"
    0.128"
    0.1285"
    0.1299"
    0.13"
    0.1339"
    0.136"
    0.1378"
    0.1405"
    0.1406"
    0.1417"
    0.144"
    0.1457"
    0.147"
    0.1495"
    0.1496"
    0.152"
    0.1535"
    0.154"
    0.1563"
    0.157"
    0.1575"
    0.159"
    0.161"
    0.1614"
    0.1634"
    0.1654"
    0.166"
    0.1673"
    0.1693"
    0.1695"
    0.1719"
    0.173"
    0.1732"
    0.177"
    0.1772"
    0.1791"
    0.18"
    0.1811"
    0.182"
    0.185"
    0.187"
    0.1875"
    0.189"
    0.191"
    0.1929"
    0.1935"
    0.196"
    0.1968"
    0.1969"
    0.199"
    0.2008"
    0.201"
    0.2031"
    0.204"
    0.2047"
    0.2055"
    0.2067"
    0.2087"
    0.209"
    0.2126"
    0.213"
    0.2165"
    0.2188"
    0.2205"
    0.221"
    0.2244"
    0.2264"
    0.228"
    0.2283"
    0.2323"
    0.234"
    0.2344"
    0.2362"
    0.238"
    0.2402"
    0.242"
    0.2441"
    0.246"
    0.248"
    0.25"
    0.252"
    0.2559"
    0.257"
    0.2598"
    0.261"
    0.2638"
    0.2656"
    0.266"
    0.2677"
    0.2678"
    0.2717"
    0.272"
    0.2756"
    0.277"
    0.2795"
    0.281"
    0.2812"
    0.2813"
    0.2835"
    0.2874"
    0.29"
    0.2913"
    0.295"
    0.2953"
    0.2969"
    0.2992"
    0.302"
    0.3032"
    0.3071"
    0.311"
    0.3125"
    0.315"
    0.316"
    0.3189"
    0.3223"
    0.3228"
    0.323"
    0.3268"
    0.3281"
    0.3307"
    0.332"
    0.3346"
    0.3386"
    0.339"
    0.3425"
    0.3438"
    0.3465"
    0.348"
    0.3504"
    0.3543"
    0.358"
    0.3594"
    0.3622"
    0.3661"
    0.368"
    0.3701"
    0.374"
    0.375"
    0.377"
    0.378"
    0.3819"
    0.386"
    0.3906"
    0.3937"
    0.397"
    0.3976"
    0.4016"
    0.404"
    0.4055"
    0.4062"
    0.4063"
    0.4094"
    0.413"
    0.4134"
    0.4173"
    0.4213"
    0.4219"
    0.4252"
    0.4291"
    0.4331"
    0.437"
    0.4375"
    0.4409"
    0.4449"
    0.4488"
    0.4528"
    0.4531"
    0.4567"
    0.4606"
    0.4626"
    0.4646"
    0.4688"
    0.4724"
    0.4844"
    0.4921"
    0.5"
    0.5118"
    0.5156"
    0.5313"
    0.5315"
    0.5469"
    0.5512"
    0.562"
    0.5625"
    0.5709"
    0.5781"
    0.5905"
    0.5906"
    0.5938"
    0.6094"
    0.6102"
    0.625"
    0.6299"
    0.6406"
    0.641"
    0.6496"
    0.6563"
    0.6693"
    0.6719"
    0.687"
    0.6875"
    0.689"
    0.7031"
    0.7087"
    0.7188"
    0.7283"
    0.7344"
    0.748"
    0.75"
    0.7656"
    0.7677"
    0.7813"
    0.7874"
    0.7969"
    0.8125"
    0.8268"
    0.8281"
    0.8438"
    0.8594"
    0.8661"
    0.875"
    0.8906"
    0.9055"
    0.9063"
    0.9219"
    0.9375"
    0.9449"
    0.9531"
    0.9688"
    0.9843"
    0.9844"
    1"
    1.0236"
    1.0313"
    1.0625"
    1.1024"
    1.125"
    1.1417"
    1.1563"
    1.1811"
    1.1875"
    1.2205"
    1.25"
    1.2598"
    1.2992"
    1.3125"
    1.375"
    1.378"
    1.4375"
    1.5"
    1.5625"
    1.625"
    1.75"
    2"
    2.25"
    2.5"
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