Data with red represented to FINE thread.
Standard: ISO (Coarse) |
||
Nominal Thread (D) |
Pitch |
THX |
M3 |
0.50 |
2.0 |
M4 |
0.70 |
2.8 |
M5 |
0.80 |
3.5 |
M6 |
1.00 |
4.0 |
M8 |
1.25 |
5.0 |
M10 |
1.50 |
6.5 |
M12 |
1.75 |
7.5 |
M14 |
2.00 |
8.5 |
M16 |
2.00 |
10.0 |
M18 |
2.50 |
11.0 |
M20 |
2.50 |
12.0 |
M22 |
2.50 |
13.0 |
M24 |
3.00 |
14.0 |
M27 |
3.00 |
– |
M30 |
3.50 |
17.5 |
M33 |
3.50 |
– |
M36 |
4.00 |
21.5 |
M39 |
4.00 |
– |
M42 |
4.50 |
– |
M45 |
4.50 |
– |
M48 |
5.00 |
– |
M52 |
5.00 |
– |
Standard: ISO (Fine) |
||
Nominal Thread (D) |
Pitch |
THX |
M8 |
1.00 |
5.0 |
M10 |
1.00 |
6.5 |
M10 |
1.25 |
6.5 |
M12 |
1.25 |
7.5 |
M12 |
1.50 |
7.5 |
M14 |
1.50 |
8.5 |
M16 |
1.50 |
10.0 |
M18 |
1.50 |
11.0 |
M18 |
2.00 |
11.0 |
M20 |
1.50 |
12.0 |
M20 |
2.00 |
12.0 |
M22 |
1.50 |
13.0 |
M22 |
2.00 |
13.0 |
M24 |
2.00 |
14.0 |
M27 |
2.00 |
– |
M30 |
2.00 |
17.5 |
M33 |
2.00 |
– |
M36 |
3.00 |
21.5 |
M39 |
3.00 |
– |
M42 |
3.00 |
– |
M45 |
3.00 |
– |
M48 |
3.00 |
– |
M52 |
4.00 |
– |
Standard: UNC |
|
Nominal Thread (D) |
TPI |
1/4'' |
20 |
5/16'' |
18 |
3/8'' |
16 |
7/16'' |
14 |
1/2'' |
13 |
9/16'' |
12 |
5/8'' |
11 |
3/4'' |
10 |
7/8'' |
9 |
1'' |
8 |
1-1/8'' |
7 |
1-1/4'' |
7 |
1-3/8'' |
6 |
1-1/2'' |
6 |
1-3/4'' |
5 |
Standard: UNF |
|
Nominal Thread (D) |
TPI |
1/4'' |
28 |
5/16'' |
24 |
3/8'' |
24 |
7/16'' |
20 |
1/2'' |
20 |
9/16'' |
18 |
5/8'' |
18 |
3/4'' |
16 |
7/8'' |
14 |
1'' |
12 |
1-1/8'' |
12 |
1-1/4'' |
12 |
1-3/8'' |
12 |
1-1/2'' |
12 |
Standard: BSW |
|
Nominal Thread (D) |
TPI |
1/8'' |
40 |
3/16'' |
24 |
1/4'' |
20 |
5/16'' |
18 |
3/8'' |
16 |
7/16'' |
14 |
1/2'' |
12 |
9/16'' |
12 |
5/8'' |
11 |
3/4'' |
11 |
7/8'' |
10 |
1'' |
9 |
1-1/8'' |
8 |
1-1/4'' |
7 |
1-3/8'' |
6 |
1-1/2'' |
6 |
1-5/8'' |
5 |
1-3/4'' |
5 |