| The
different types of thread |
|
- ISO Thread
(profile angle 60?
| Thread |
Pitch
(mm) |
?Outside
(mm) |
?Hole
(mm) |
| M2 |
0,40 |
2,00 |
1,60 |
| M2,5 |
0,45 |
2,50 |
2,05 |
| M3 |
0,50 |
3,00 |
2,50 |
| M4 |
0,70 |
4,00 |
3,30 |
| M5 |
0,80 |
5,00 |
4,20 |
| M6 |
1,00 |
6,00 |
5,00 |
| M7 |
1,00 |
7,00 |
6,00 |
| M8 |
1,25 |
8,00 |
6,80 |
| M10 |
1,50 |
10,00 |
8,50 |
| M12 |
1,75 |
12,00 |
10,20 |
| M14 |
2,00 |
14,00 |
12,00 |
| M16 |
2,00 |
16,00 |
14,00 |
| M18 |
2,50 |
18,00 |
15,50 |
| M20 |
2,50 |
20,00 |
17,50 |
| M22 |
2,50 |
22,00 |
19,50 |
| M24 |
3,00 |
24,00 |
21,00 |
|
Thread
55?/B> |
?nbsp;Hole
for
Tapping
(mm) |
Pitch
(mm) |
Thread
per inch
(T.P.I.) |
Exterior
diam.
(mm) |
| BSP |
| 1/8 BSP |
8,75 |
0,91 |
28 |
9,73 |
| 1/4 BSP |
11,80 |
1,34 |
19 |
13,16 |
| 3/8 BSP |
15,25 |
1,34 |
19 |
16,66 |
| 1/2 BSP |
19,05 |
1,81 |
14 |
20,96 |
| 5/8 BSP |
21,03 |
1,81 |
14 |
22,91 |
| 3/4 BSP |
24,50 |
1,81 |
14 |
26,44 |
| 7/8 BSP |
28,25 |
1,81 |
14 |
30,20 |
| 1 BSP |
30,75 |
2,31 |
11 |
33,25 |
| 1 1/4 BSP |
39,50 |
2,31 |
11 |
41,91 |
| 1
1/2 BSP |
45,24 |
2,31 |
11 |
47,80 |
| 1
3/4 BSP |
51,00 |
2,31 |
11 |
53,75 |
| 2 BSP |
57,00 |
2,31 |
11 |
59,61 |
|
Thread
55?/B> |
?nbsp;Hole
for
Tapping
(mm) |
Pitch
(mm) |
Thread
per inch
(T.P.I.) |
Exterior
diam.
(mm) |
| BSF |
| 3/16 BSF |
3,97 |
0,79 |
32 |
4,76 |
| 1/4 BSF |
5,30 |
0,98 |
26 |
6,35 |
| 5/16 BSF |
6,75 |
1,15 |
22 |
7,94 |
| 3/8 BSF |
8,25 |
1,27 |
20 |
9,53 |
| 7/16 BSF |
9,70 |
1,41 |
18 |
11,11 |
| 1/2 BSF |
11,11 |
1,59 |
16 |
12,70 |
| 9/16 BSF |
12,70 |
1,59 |
16 |
14,29 |
| 5/8 BSF |
14,00 |
1,84 |
14 |
15,88 |
| 3/4 BSF |
16,75 |
2,12 |
12 |
19,05 |
| 7/8 BSF |
19,84 |
2,31 |
11 |
22,23 |
| 1 BSF |
22,75 |
2,54 |
10 |
25,40 |
|
| |
|
Tread
55?/B> |
?nbsp;Hole
for
tapping
(mm) |
Pitch
(mm) |
Thread
per inch
(T.P.I.) |
Exterior
diam.
(mm) |
| BSW |
| 1/8 BSW |
2,55 |
0,64 |
40 |
3,18 |
| 3/16 BSW |
3,70 |
1,06 |
24 |
4,76 |
| 1/4 BSW |
5,10 |
1,27 |
20 |
6,35 |
| 5/16 BSW |
6,50 |
1,41 |
18 |
7,94 |
| 3/8 BSW |
7,94 |
1,59 |
16 |
9,53 |
| 7/16 BSW |
9,36 |
1,81 |
14 |
11,11 |
| 1/2 BSW |
10,50 |
2,12 |
12 |
12,70 |
| 9/16 BSW |
12,10 |
2,12 |
12 |
14,29 |
| 5/8 BSW |
13,50 |
2,31 |
11 |
15,88 |
| 3/4 BSW |
16,27 |
2,54 |
10 |
19,05 |
| 7/8 BSW |
19,25 |
2,82 |
9 |
22,23 |
| 1 BSW |
22,00 |
3,18 |
8 |
25,40 |
|
Thread
55?/B> |
?nbsp;Hole
for
tapping
(mm) |
Pitch
(mm) |
Thread
per inch
(T.P.I.) |
Exterior
diam.
(mm) |
| BA |
| 0-BA |
5,10 |
1,00 |
25,38 |
6,00 |
| 1-BA |
4,50 |
0,90 |
28,25 |
5,30 |
| 2-BA |
4,00 |
0,81 |
31,35 |
4,70 |
| 3-BA |
3,45 |
0,73 |
34,84 |
4,10 |
| 4-BA |
3,00 |
0,66 |
38,46 |
3,60 |
| 5-BA |
2,65 |
0,59 |
43,10 |
3,20 |
| 6-BA |
2,30 |
0,53 |
47,85 |
2,80 |
| 7-BA |
2,05 |
0,48 |
52,91 |
2,50 |
| 8-BA |
1,80 |
0,43 |
59,71 |
2,20 |
| |
Thread
60?/B> |
?nbsp;Hole
for
Tapping
(mm) |
Pitch
(mm) |
Threads
per
inch
(T.P.I.) |
Exterior
diam.
(mm) |
| UNF |
| 2-64 UNF |
1,90 |
0,400 |
64 |
2,18 |
| 3-56 UNF |
2,15 |
0,450 |
56 |
2,51 |
| 4-48 UNF |
2,40 |
0,530 |
48 |
2,84 |
| 6-40 UNF |
2,95 |
0,640 |
40 |
3,51 |
| 8-36 UNF |
3,55 |
0,710 |
36 |
4,17 |
| 10-32 UNF |
4,10 |
0,479 |
32 |
4,83 |
| 12-28 UNF |
4,65 |
0,910 |
28 |
5,49 |
| 1/4-28 UNF |
5,50 |
0,910 |
28 |
6,35 |
| 5/16-24 UNF |
6,90 |
1,060 |
24 |
7,94 |
| 3/8-24
UNF |
8,50 |
1,060 |
24 |
9,53 |
| 7/16-20
UNF |
9,90 |
1,270 |
20 |
11,11 |
| 1/2-20
UNF |
11,40 |
1,270 |
20 |
12,70 |
| 9/16-18
UNF |
12,90 |
1,410 |
18 |
14,29 |
| 5/8-18
UNF |
14,50 |
1,410 |
18 |
15,88 |
| 3/4-16
UNF |
17,46 |
1,590 |
16 |
19,05 |
| 7/8-14
UNF |
20,42 |
1,810 |
14 |
22,23 |
| 1-12
UNF |
23,25 |
2,120 |
12 |
25,40 |
|
Thread
60?/B> |
?nbsp;Hole
for
Tapping
(mm) |
Pitch
(mm) |
Thread
per inch
(T.P.I.) |
Exterior
diam
(mm) |
| UNC |
| 2-56
UNC |
1,85 |
0,45 |
56 |
2,18 |
| 3-48 UNC |
2,10 |
0,53 |
48 |
2,51 |
| 4-40 UNC |
2,35 |
0,64 |
40 |
2,84 |
| 6-32 UNC |
2,84 |
0,79 |
32 |
3,51 |
| 8-32 UNC |
3,50 |
0,79 |
32 |
4,17 |
| 10-24 UNC |
3,90 |
1,06 |
24 |
4,83 |
| 12-24 UNC |
4,55 |
1,06 |
24 |
5,49 |
| 1/4-20 UNC |
5,30 |
1,27 |
20 |
6,35 |
| 5/16-18 UNC |
6,60 |
1,41 |
18 |
7,94 |
| 3/8-16
UNC |
8,00 |
1,59 |
16 |
9,53 |
| 7/16-14
UNC |
9,40 |
1,81 |
14 |
11,11 |
| 1/2-13
UNC |
10,80 |
1,95 |
13 |
12,70 |
| 9/16-12
UNC |
12,25 |
2,12 |
12 |
14,29 |
| 5/8-11
UNC |
13,50 |
2,31 |
11 |
15,88 |
| 3/4-10
UNC |
16,50 |
2,54 |
10 |
19,05 |
| 7/8-9
UNC |
19,45 |
2,82 |
9 |
22,23 |
| 1-8
UNC |
22,25 |
3,18 |
8 |
25,40 |
| | |