McMaster-Carr logo
    System of Measurement
    System of Measurement
    Inch
    Metric
    Length
    Length
    default
    0.091"
    0.103"
    0.11"
    1/8"
    0.13"
    0.14"
    0.141"
    0.15"
    0.152"
    0.155"
    0.156"
    0.157"
    0.161"
    0.166"
    0.169"
    0.17"
    0.18"
    0.185"
    0.188"
    0.189"
    0.195"
    0.197"
    1/5"
    0.203"
    0.208"
    0.209"
    0.212"
    0.214"
    0.218"
    0.219"
    0.22"
    0.224"
    0.225"
    0.226"
    0.228"
    0.234"
    0.236"
    0.237"
    0.24"
    0.243"
    0.248"
    1/4"
    0.258"
    0.26"
    0.262"
    0.266"
    0.27"
    0.271"
    0.274"
    0.275"
    0.277"
    0.28"
    0.281"
    0.291"
    0.296"
    0.297"
    0.299"
    0.3"
    0.301"
    0.305"
    0.31"
    0.312"
    0.313"
    0.315"
    0.317"
    0.32"
    0.321"
    0.322"
    0.325"
    0.328"
    0.33"
    0.333"
    0.335"
    0.337"
    0.339"
    0.34"
    0.341"
    0.343"
    0.344"
    0.354"
    0.356"
    0.36"
    0.362"
    0.37"
    3/8"
    0.377"
    0.38"
    0.382"
    0.387"
    0.389"
    0.39"
    0.391"
    0.392"
    0.394"
    0.395"
    2/5"
    0.402"
    0.405"
    0.406"
    0.41"
    0.414"
    0.415"
    0.42"
    0.421"
    0.422"
    0.425"
    0.43"
    0.432"
    0.433"
    0.435"
    0.437"
    0.438"
    0.44"
    0.442"
    0.445"
    0.447"
    0.45"
    0.453"
    0.454"
    0.455"
    0.456"
    0.458"
    0.462"
    0.466"
    0.468"
    0.469"
    0.472"
    0.475"
    0.485"
    0.487"
    0.49"
    1/2"
    0.502"
    0.506"
    0.512"
    0.515"
    0.519"
    0.52"
    0.522"
    0.525"
    0.529"
    0.53"
    0.531"
    0.535"
    0.54"
    0.546"
    0.547"
    0.549"
    0.55"
    0.551"
    0.552"
    0.555"
    0.56"
    0.562"
    0.563"
    0.567"
    0.57"
    0.571"
    0.572"
    0.575"
    0.58"
    0.582"
    0.585"
    0.586"
    0.59"
    0.591"
    0.594"
    3/5"
    0.605"
    0.608"
    0.61"
    0.612"
    0.62"
    5/8"
    0.63"
    0.644"
    0.645"
    0.65"
    0.655"
    0.656"
    0.66"
    0.665"
    0.669"
    0.67"
    0.671"
    0.675"
    0.68"
    0.684"
    0.685"
    0.687"
    0.688"
    0.692"
    0.695"
    0.697"
    0.7"
    0.705"
    0.708"
    0.709"
    0.716"
    0.72"
    0.728"
    0.735"
    0.74"
    0.748"
    3/4"
    0.767"
    0.775"
    0.781"
    0.783"
    0.787"
    0.796"
    4/5"
    0.81"
    0.812"
    0.813"
    0.817"
    0.82"
    0.825"
    0.826"
    0.827"
    0.84"
    0.848"
    0.85"
    7/8"
    0.876"
    0.894"
    0.895"
    0.9"
    0.906"
    0.91"
    0.915"
    0.92"
    0.921"
    0.925"
    0.93"
    0.935"
    0.937"
    0.938"
    0.942"
    0.945"
    0.947"
    0.95"
    0.955"
    0.96"
    0.978"
    0.984"
    1"
    1.004"
    1.023"
    1.024"
    1.026"
    1.05"
    1.06"
    1.063"
    1.07"
    1.075"
    1.087"
    1.102"
    1.12"
    1 1/8"
    1.144"
    1.147"
    1.163"
    1.171"
    1.175"
    1.18"
    1.187"
    1.188"
    1.192"
    1.195"
    1.197"
    1.2"
    1.205"
    1.21"
    1.22"
    1.248"
    1 1/4"
    1.268"
    1.313"
    1.325"
    1.373"
    1 3/8"
    1.394"
    1.41"
    1.417"
    1.421"
    1.43"
    1.437"
    1.442"
    1.445"
    1.45"
    1.455"
    1 1/2"
    1.563"
    1.612"
    1.614"
    1.632"
    1.807"
    1.81"
    1.811"
    1 7/8"
    1.894"
    2"
    2.007"
    2.008"
    2.132"
    2.312"
    2 5/8"
    2 3/4"
    3.188"
    4.85mm
    6mm
    7.57mm
    8mm
    8.33mm
    10mm
    12mm
    12.24mm
    12.29mm
    13.21mm
    14mm
    16mm
    18mm
    20mm
    25mm
    28.35mm
    29.39mm
    30mm
    35mm
    40mm
    For Material Thickness
    For Material Thickness
    default
    0"-0.063"
    0"-0.125"
    0.01"-0.031"
    0.01"-0.25"
    0.01"-0.375"
    0.01"-2.187"
    0.02"-0.125"
    0.02"-0.197"
    0.02"-0.275"
    0.025"-0.25"
    0.03"-0.312"
    0.03"-0.33"
    0.03"-0.512"
    0.032"
    0.032"-0.062"
    0.032"-0.125"
    0.032"-0.375"
    0.032"-0.437"
    0.032"-0.5"
    0.039"-0.118"
    0.039"-0.126"
    0.039"-0.138"
    0.039"-0.157"
    0.039"-0.187"
    0.039"-0.236"
    0.039"-0.252"
    0.039"-0.354"
    0.04"-0.08"
    0.04"-0.098"
    0.04"-0.118"
    0.04"-0.157"
    0.04"-0.275"
    0.04"-0.335"
    0.04"-0.354"
    0.04"-0.38"
    0.045"
    0.047"-0.276"
    0.059"-0.079"
    0.059"-0.177"
    0.059"-0.354"
    0.06"-0.19"
    0.06"-0.25"
    0.06"-0.787"
    0.062"
    0.062"-0.125"
    0.062"-0.145"
    0.062"-0.25"
    0.062"-0.27"
    0.062"-0.375"
    0.062"-0.437"
    0.062"-0.5"
    0.062"-0.625"
    0.062"-0.675"
    0.062"-0.75"
    0.062"-0.875"
    0.062"-1"
    0.062"-1 1/2"
    0.062"-2"
    0.063"
    0.063"-0.125"
    0.063"-0.25"
    0.063"-0.625"
    0.063"-0.75"
    0.07"-0.25"
    0.078"-0.375"
    0.079"-0.098"
    0.079"-0.157"
    0.079"-0.315"
    0.08"-0.12"
    0.08"-0.35"
    0.08"-0.375"
    0.08"-0.625"
    0.09"-0.16"
    0.092"-0.125"
    0.093"
    0.094"-0.156"
    0.094"-0.187"
    0.095"-0.32"
    0.098"-0.118"
    0.098"-0.197"
    0.099"-0.177"
    0.1"-0.14"
    0.1"-0.16"
    0.109"-0.312"
    0.115"
    0.118"-0.138"
    0.118"-0.177"
    0.118"-0.236"
    0.119"-0.196"
    0.12"-0.16"
    0.121"
    1/8"
    1/8"-0.14"
    1/8"-0.187"
    1/8"-0.188"
    1/8"-0.189"
    1/8"-0.25"
    1/8"-0.331"
    1/8"-0.35"
    1/8"-0.375"
    0.126"-0.187"
    0.126"-0.189"
    0.126"-0.25"
    0.128"-0.147"
    0.13"-0.17"
    0.135"
    0.138"-0.157"
    0.138"-0.197"
    0.14"-0.18"
    0.14"-0.22"
    0.147"-0.167"
    0.156"
    0.156"-0.219"
    0.156"-0.25"
    0.156"-0.354"
    0.157"-0.177"
    0.157"-0.312"
    0.157"-0.394"
    0.157"-0.472"
    0.157"-0.625"
    0.158"-0.236"
    0.159"-0.173"
    0.16"-0.19"
    0.16"-0.26"
    0.16"-0.28"
    0.16"-0.437"
    0.165"-0.185"
    0.177"-0.197"
    0.177"-0.256"
    0.177"-0.276"
    0.178"-0.255"
    0.18"-0.22"
    0.187"
    0.188"-0.219"
    0.188"-0.25"
    0.188"-0.252"
    0.188"-0.312"
    0.188"-0.375"
    0.189"-0.252"
    0.19"-0.204"
    0.191"-0.209"
    0.196"-0.33"
    0.197"-0.217"
    0.197"-0.255"
    0.197"-0.354"
    0.197"-0.472"
    0.197"-0.551"
    0.197"-0.598"
    0.214"-0.437"
    0.218"-0.312"
    0.219"-0.25"
    0.219"-0.281"
    0.219"-0.313"
    0.22"-0.26"
    0.221"-0.235"
    0.235"
    0.235"-0.297"
    0.236"-0.315"
    0.236"-0.394"
    0.237"-0.314"
    1/4"
    1/4"-0.312"
    1/4"-0.374"
    1/4"-0.375"
    1/4"-0.5"
    0.251"-0.312"
    0.251"-0.375"
    0.251"-0.437"
    0.251"-0.5"
    0.252"-0.315"
    0.253"-0.272"
    0.256"-0.334"
    0.256"-0.354"
    0.26"-0.3"
    0.272"-0.292"
    0.276"-0.787"
    0.28"-0.5"
    0.284"-0.298"
    0.29"-0.3"
    0.295"-0.394"
    0.3"-0.34"
    0.305"-0.5"
    0.312"
    0.313"-0.375"
    0.313"-0.5"
    0.313"-1.25"
    0.315"-0.433"
    0.316"-0.334"
    0.335"-0.394"
    0.335"-0.413"
    0.335"-0.433"
    0.338"-0.363"
    0.344"-0.406"
    0.346"-0.36"
    0.346"-0.5"
    0.35"-0.625"
    0.354"-0.422"
    0.365"
    0.371"-0.5"
    3/8"
    3/8"-0.472"
    3/8"-0.5"
    3/8"-0.563"
    0.376"-0.5"
    0.378"-0.397"
    0.409"-0.423"
    0.413"-0.511"
    0.415"-0.725"
    0.434"-0.59"
    0.437"-0.75"
    0.438"-0.75"
    0.441"-0.459"
    0.452"-0.551"
    0.453"-0.551"
    0.455"-0.665"
    0.463"-0.488"
    0.469"-0.531"
    0.48"
    1/2"
    1/2"-0.625"
    1/2"-0.75"
    1/2"-0.781"
    1/2"-0.812"
    0.501"-0.625"
    0.503"-0.522"
    0.531"-0.63"
    0.531"-0.748"
    0.534"-0.548"
    0.556"
    0.58"-0.875"
    0.588"-0.613"
    0.594"-0.656"
    0.61"-0.826"
    5/8"-0.75"
    5/8"-0.875"
    0.626"-0.75"
    0.628"-0.647"
    0.659"-0.673"
    0.687"-0.875"
    0.713"-0.738"
    0.719"-0.781"
    0.728"-0.866"
    0.748"-0.984"
    3/4"-0.875"
    0.751"-0.875"
    0.753"-0.772"
    0.78"-1 3/8"
    0.838"-0.863"
    0.844"-0.906"
    0.846"-0.984"
    7/8"-1.062"
    7/8"-1.125"
    0.876"-1"
    0.878"-0.897"
    0.964"-1.063"
    0.969"-1.031"
    0.985"-1.181"
    1.001"-1.125"
    1.043"-1.181"
    1.062"-1.25"
    1.094"-1.156"
    1 1/8"-1 3/8"
    1.126"-1.25"
    1.161"-1.26"
    1.182"-1.338"
    1.24"-1.456"
    1.339"-1.575"
    1.344"-1.406"
    1 3/8"-1 5/8"
    1.378"-1.535"
    1.575"-1.732"
    1 5/8"-1 7/8"
    1 7/8"-2 1/8"
    2 1/8"-2 3/8"
    2.52"-2.756"
    1-2.5mm
    1-3mm
    1.5-3mm
    1.5-3.5mm
    1.6-3mm
    1.6-6mm
    1.6-10mm
    1.6-26mm
    2-4mm
    2.5-4.5mm
    3-4.5mm
    3-5mm
    3.5-5.5mm
    4-6mm
    4.5-6mm
    4.5-6.5mm
    5-6.5mm
    5.5-7mm
    6-8mm
    6.5-8.5mm
    7-9mm
    8-10mm
    8-11mm
    8-12mm
    8.5-10.5mm
    8.5-12mm
    8.5-12.5mm
    9-11mm
    9-13mm
    9.5-12.5mm
    10-14mm
    11-13mm
    11-15mm
    12-16mm
    12.5-14.5mm
    12.5-16.5mm
    15-20mm
    16-21mm
    20-25mm
    21-25mm
    25-30mm
    30-35mm
    Mandrel Material
    Mandrel Material
    Steel
    Aluminum
    Stainless Steel
    Plastic
    Brass
    Countersink Angle
    Countersink Angle
    default
    78°
    90°
    100°
    120°
    144°
    150°
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    DFARS Specialty Metals
    Compliant
    learn more about DFARS Specialty Metals Compliant by pressing accesskey, i.
    DFARS Specialty Metals
    COTS-Exempt
    learn more about DFARS Specialty Metals COTS-Exempt by pressing accesskey, i.
    Domed Head Size
    Domed Head Size
    Standard
    Large Diameter
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    Specifications Met
    Specifications Met
    click to learn more about
    DIN
    learn more about DIN by pressing accesskey, i.
    IFI
    ISO
    learn more about ISO by pressing accesskey, i.
    Mil. Spec.
    learn more about Mil. Spec. by pressing accesskey, i.
    NAS
    learn more about NAS by pressing accesskey, i.
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    Domed Head Style
    Domed Head Style
    RoundUniversal
    BrazierModified
    Brazier
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