47
Table3: Typical Screw-Bolt Sizes and Drill-Taps Sizes
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S c re w
B o lt
N um b e r
T hre a d s /in
T a p D rill #
S ize
T a p D rill
Inc he s
C o m m o n
D rill S ize s
to 1 /6 4 "
H a rd w o o d
D rill
N um b e r
S o ft
W o o d D rill
N um b e r
S ha nk
D ia m e te r
(inc he s )
S ha nk
H o le
C le a ra nc e
D rill
N um b e r
0
8 0
3 /6 4 "
0 .0 4 6 9
3 /6 4 "
6 6
7 5
0 .0 6 0
5 2 .0 0 0
1
6 4
5 3
0 .0 5 9 5
5 7
7 1
0 .0 7 3
4 7 .0 0 0
2
5 6
5 0
0 .0 7 0 0
1 /1 6 "
5 4
6 5
0 .0 8 6
4 2 .0 0 0
3
4 8
4 5
0 .0 8 2 0
5 3
5 8
0 .0 9 9
3 7 .0 0 0
4
4 0
4 2
0 .0 9 3 5
5 1
5 5
0 .1 1 2
3 2 .0 0 0
1 /8 "
3 2
3 8
0 .1 0 1 5
0 .1 2 5
5
4 0
3 7
0 .1 0 4 0
4 7
5 3
0 .1 2 5
3 0 .0 0 0
6
3 2
3 3
0 .1 1 3 0
7 /6 4 "
4 4
5 2
0 .1 3 8
2 7 .0 0 0
7
3 9
5 1
0 .1 5 1
2 .0 0 0
8
3 2
2 9
0 .1 3 6 0
9 /6 4 "
3 5
4 8
0 .1 6 4
1 8 .0 0 0
3 /1 6 "
3 2
2 2
0 .1 5 7 0
5 /3 2 "
9
3 3
4 5
0 .1 7 7
1 4 .0 0 0
1 0
2 4
2 5
0 .1 4 9 5
5 /3 2
3 1
4 3
0 .1 9 0
1 0 .0 0 0
1 0
3 2
2 1
0 .1 5 9 0
5 /3 2 "
1 1
2 9
4 0
0 .2 0 3
4 .0 0 0
1 2
2 8
1 4
0 .1 8 2 0
3 /1 6 "
2 5
3 8
0 .2 1 6
2 .0 0 0
1 2
2 4
1 6
0 .1 7 7 0
1 1 /6 4 "
1 /4 "
2 8
1 4
0 .1 8 2 0
3 /1 6 "
5 /1 6 "
2 4
I
0 .2 7 2 0
1 7 /6 4 "
3 /8 "
2 0
2 5 /6 4 "
0 .3 3 2 0
2 1 /6 4 "
7 /1 6 "
2 0
2 9 /6 4 "
0 .3 9 0 8
2 5 /6 4 "
1 3
1 4
3 2
0 .2 4 2
D
1 4
1 0
2 9
0 .2 6 8
I
1 6
6
2 6
0 .2 9 4
N
1 8
3
1 9
0 .3 2 0
P
2 0
D
1 5
0 .3 7 2
V