| All dimensions are given in inches |
Nominal Size |
Threads per Inch |
Depth of Thread |
Major Diameter |
Pitch Diameter |
Minor Diameter |
1/16 |
28 |
0.0229 |
0.3041 |
0.2812 |
0.2583 |
1/8 |
28 |
0.0229 |
0.3830 |
0.3601 |
0.3372 |
1/4 |
19 |
0.0337 |
0.5180 |
0.4843 |
0.4506 |
3/8 |
19 |
0.0337 |
0.6560 |
0.6223 |
0.5886 |
1/2 |
14 |
0.0457 |
0.8250 |
0.7793 |
0.7336 |
5/8 |
14 |
0.0457 |
0.9020 |
0.8563 |
0.8106 |
3/4 |
14 |
0.0457 |
1.0410 |
0.9953 |
0.9496 |
7/8 |
14 |
0.0457 |
1.1890 |
1.1433 |
1.0976 |
1 |
11 |
0.0582 |
1.3090 |
1.2508 |
1.1926 |
1 1/4 |
11 |
0.0582 |
1.6500 |
1.5918 |
1.5336 |
1 1/2 |
11 |
0.0582 |
1.8820 |
1.8238 |
1.7656 |
1 3/4 |
11 |
0.0582 |
2.1160 |
2.0578 |
1.9996 |
2 |
11 |
0.0582 |
2.3470 |
2.2888 |
2.2306 |
2 1/4 |
11 |
0.0582 |
2.5870 |
2.5288 |
2.4706 |
2 1/2 |
11 |
0.0582 |
2.9600 |
2.9018 |
2.8436 |
2 3/4 |
11 |
0.0582 |
3.2100 |
3.1518 |
3.0936 |