Nominal Size or Basic Major Thread Diameter |
Width Across Flats |
Width Across Corners |
Thickness |
||||||
(F) |
Square
(G)
|
Hex (G1) |
H |
||||||
Basic |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
|
2 0.0860 |
3/16 |
0.188 |
0.180 |
0.265 |
0.247 |
0.217 |
0.205 |
0.066 |
0.057 |
3 0.0990 |
3/16 |
0.188 |
0.180 |
0.265 |
0.247 |
0.217 |
0.205 |
0.066 |
0.057 |
4 0.1120 |
1/4 |
0.250 |
0.241 |
0.354 |
0.331 |
0.289 |
0.275 |
0.098 |
0.087 |
5 0.1250 |
5/16 |
0.312 |
0.302 |
0.442 |
0.415 |
0.361 |
0.344 |
0.114 |
0.102 |
6 0.1380 |
5/16 |
0.312 |
0.302 |
0.442 |
0.415 |
0.361 |
0.344 |
0.114 |
0.102 |
8 0.1640 |
11/32 |
0.344 |
0.332 |
0.486 |
0.456 |
0.397 |
0.378 |
0.130 |
0.117 |
10 0.1900 |
3/8 |
0.375 |
0.362 |
0.530 |
0.497 |
0.433 |
0.413 |
0.130 |
0.117 |
12 0.2160 |
7/16 |
0.438 |
0.423 |
0.619 |
0.581 |
0.505 |
0.482 |
0.161 |
0.148 |
1/4 0.2500 |
7/16 |
0.438 |
0.423 |
0.619 |
0.581 |
0.505 |
0.482 |
0.193 |
0.178 |
5/16 0.3125 |
9/16 |
0.562 |
0.545 |
0.795 |
0.748 |
0.650 |
0.621 |
0.225 |
0.208 |
3/8 0.3750 |
5/8 |
0.625 |
0.607 |
0.884 |
0.833 |
0.722 |
0.692 |
0.257 |
0.239 |
Note : Dimensions In MM