Counterbore and Countersink Dimensions Chart
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Transcript of Counterbore and Countersink Dimensions Chart
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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
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7/25/2019 Counterbore and Countersink Dimensions Chart
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7/25/2019 Counterbore and Countersink Dimensions Chart
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