NOMINAL SIZE | Customize Thread Ring Gauge | |||
CLASS 3A | X TOL. GO =- NO GO =+ | |||
GO | NOT GO | |||
#1-72 UNF | 3A | 0.0640 | 0.0626 | 0.0002 |
#2-56 UNC | 3A | 0.0744 | 0.0728 | 0.0002 |
#5-40 UNC | 3A | 0.1088 | 0.1069 | 0.0002 |
#3-48 UNC | 3A | 0.0855 | 0.0838 | 0.0002 |
9⁄16-24 UNEF | 3A | 0.5354 | 0.5325 | 0.0003 |
3/8-20 | 3A | 0.3394 | 0.3425 | 0.0003 |
15/16-16 | 3A | 0.8932 | 0.8969 | 0.0003 |
1 7/8-16 | 3A | 1.8304 | 1.8344 | 0.0003 |
5⁄8-18 UNF | 3A | 0.5889 | 0.5854 | 0.0003 |
15⁄16-12 UN | 3A | 1.2584 | 1.2541 | 0.0003 |
13/16-16 | 3A | 0.7682 | 0.7719 | 0.0003 |
1 11/16-16 | 3A | 1.6430 | 1.6469 | 0.0003 |
1 1/2-16 | 3A | 1.4555 | 1.4594 | 0.0003 |
7/8-16 | 3A | 0.8307 | 0.8344 | 0.0003 |
#1-12 | 3A | 0.9459 | 0.9415 | 0.0003 |
11⁄4-12 UNF | 3A | 1.1959 | 1.1913 | 0.0003 |
5/16-20 | 3A | 0.2770 | 0.2800 | 0.0003 |
11/16-32 | 3A | 0.6645 | 0.6672 | 0.0003 |
1⁄2-13 UNC | 3A | 0.4500 | 0.4463 | 0.0003 |
5⁄16-32 UNEF | 3A | 0.2922 | 0.2898 | 0.0003 |
#6-32 UNC | 3A | 0.1177 | 0.1156 | 0.0003 |
#6-40 UNF | 3A | 0.1218 | 0.1198 | 0.0002 |
5/16-40 | 3A | 0.2940 | 0.2963 | 0.0003 |
#4-40 UNC | 3A | 0.0958 | 0.0939 | 0.0002 |
5⁄16-24 UNF | 3A | 0.2854 | 0.2827 | 0.0003 |
#10-32 UNF | 3A | 0.1697 | 0.1674 | 0.0003 |
3⁄4-16 UNF | 3A | 0.7094 | 0.7056 | 0.0003 |
1⁄4-28 UNF | 3A | 0.2268 | 0.2243 | 0.0003 |
#8-32 UNC | 3A | 0.1437 | 0.1415 | 0.0003 |
1⁄2-20 UNF | 3A | 0.4675 | 0.4643 | 0.0003 |
9⁄16 -18 UNF | 3A | 0.5264 | 0.5230 | 0.0003 |