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Fasteners - Threads Per Inch
|
Size
|
Coarse
UNC
|
Fine
UNF
|
Basic
Major Dia.
|
Size
|
Coarse
UNC
|
Fine
UNF
|
Basic
Major Dia.
|
|
0
|
-
|
80
|
.0600
|
1
|
8
|
12,
14
|
1.000
|
|
1
|
64
|
72
|
.0730
|
1
1/8
|
7
|
12
|
1.125
|
|
2
|
56
|
64
|
.0860
|
1
1/4
|
7
|
12
|
1.250
|
|
3
|
48
|
56
|
.0990
|
1
3/8
|
6
|
12
|
1.375
|
|
4
|
40
|
48
|
.1120
|
1
1/2
|
6
|
12
|
1.508
|
|
5
|
40
|
44
|
.1250
|
1
5/8
|
5
1/2
|
-
|
1.625
|
|
6
|
32
|
40
|
.1380
|
1
3/4
|
5
|
12
|
1.750
|
|
8
|
32
|
36
|
.1640
|
1
7/8
|
5
|
-
|
1.875
|
|
10
|
24
|
32
|
1900
|
2
|
4
1/2
|
12
|
2.000
|
|
12
|
24
|
28
|
.2160
|
2
1/4
|
4
1/2
|
12
|
2.250
|
|
1/4
|
20
|
28
|
.2500
|
2
1/2
|
4
|
12
|
2.500
|
|
5/16
|
18
|
24
|
.3125
|
2
3/4
|
4
|
12
|
2.750
|
|
3/8
|
16
|
24
|
.3750
|
3
|
4
|
12
|
3.000
|
|
7/16
|
14
|
20
|
.4375
|
3
1/4
|
4
|
-
|
3.250
|
|
1/2
|
13
|
20
|
.5000
|
3
1/2
|
4
|
-
|
3.500
|
|
9/16
|
12
|
18
|
.5625
|
3
3/4
|
4
|
-
|
3.750
|
|
5/8
|
11
|
18
|
.6250
|
4
|
-
|
-
|
4.000
|
|
3/4
|
10
|
16
|
.7500
|
-
|
-
|
-
|
-
|
|
7/8
|
9
|
14
|
.8750
|
-
|
-
|
-
|
-
|