Counterbore and Countersink Dimensions Chart

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Transcript of Counterbore and Countersink Dimensions Chart

  • 7/25/2019 Counterbore and Countersink Dimensions Chart

    1/3

    I

    Number ap Screws

    I

    I Counterbore

    crew Head

    Clearance

    Screw Decimal Hex

    Co

    unt

    ersink

    Drills

    Size qu iv.

    Key

    Height

    Depth

    Diam,

    iam. Diam.

    i

    n

    i

    n

    i

    n

    i

    n

    i

    n Fit

    I

    No . 0 0.060

    I

    o.o5o

    I

    0.096

    0.060

    1/8

    0.060 0.074

    # 49 #51

    No . 1

    0.073

    fl 6

    .118

    0.073 5/32 0.073 0.087

    # 43 #46

    No

    . 2 0.086

    I 5/64 I 0.140

    0.086 3/ 16 0.086 0.102 #

    6

    3/32

    No

    . 3 0.099

    I

    5/64

    I

    0.161 0.099 7/32 0.099 0.

    11

    5 #

    31

    #36

    No . 4 0.112

    I 3/32 I 0.183

    0.112 7/32 0.112 0.130

    #29

    1/8

    No

    . 5

    0.125

    I

    3/32

    I

    0.205

    0.125

    1/4

    0.125 0.145

    #23

    9/64

    No . 6 0.138

    I

    7/64

    I

    0.226

    0.138 9/32 0.138 0.158

    # 18 #23

    No

    . 8 0.164

    I

    9/64

    I

    0.270 0.164 5/ 16 0.164 0.188 # 10 # 15

    No

    . 10 0.190

    I 5/32 I o.312

    0.190

    3/8

    0.190 0.218

    #2 #5

    No

    . 12

    0.216

    I 5/32 I o.345

    0.216 13/32 0.216 1/

    4

    15/

    64

    82

  • 7/25/2019 Counterbore and Countersink Dimensions Chart

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    82

  • 7/25/2019 Counterbore and Countersink Dimensions Chart

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    90