| |
| |
SIZE
|
THREADS
per INCH
|
TAP
DRILL SIZE (mm)
|
No.0
|
80
|
1.25
|
No.1
|
72
|
1.55
|
No.2
|
64
|
1.90
|
No.3
|
56
|
2.15
|
No.4
|
48
|
2.40
|
No.5
|
44
|
2.70
|
No.6
|
40
|
2.95
|
No.8
|
36
|
3.50
|
No.10
|
32
|
4.10
|
No.12
|
28
|
4.70
|
1/4"
|
28
|
5.50
|
5/16"
|
24
|
6.90
|
3/8"
|
24
|
8.50
|
7/16"
|
20
|
9.90
|
1/2"
|
20
|
11.50
|
9/16"
|
18
|
12.90
|
5/8"
|
18
|
14.50
|
3/4"
|
16
|
17.50
|
7/8"
|
14
|
20.40
|
1"
|
12
|
23.25
|
1.1/8"
|
12
|
26.50
|
1.1/4"
|
12
|
29.50
|
1.3/8"
|
12
|
32.75
|
1.1/2"
|
12
|
36.00
|
|
|
|
|
|
|
|
|
|
