|
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| Size |
Major Dia |
Threads Per Inch |
Pitch Dia |
Minor Dia Externala |
Minor Dia Internalb |
Minor Dia Area |
Tensile Stress Area |
| # |
inch |
tpi |
inch |
inch |
inch |
sq. inch |
sq. inch |
| #0 |
0.06 |
80 |
0.0519 |
0.0451 |
0.0465 |
0.00151 |
0.0018 |
| #1* |
0.073 |
72 |
0.064 |
0.0565 |
0.058 |
0.00237 |
0.00278 |
| #2 |
0.086 |
64 |
0.0759 |
0.0674 |
0.0691 |
0.00339 |
0.00394 |
| #3* |
0.099 |
56 |
0.0874 |
0.0778 |
0.0797 |
0.00451 |
0.00523 |
| #4 |
0.112 |
48 |
0.0985 |
0.0871 |
0.0894 |
0.00566 |
0.00661 |
| #5 |
0.125 |
44 |
0.1102 |
0.0979 |
0.1004 |
0.00716 |
0.0083 |
| #6 |
0.138 |
40 |
0.1218 |
0.1082 |
0.1109 |
0.00874 |
0.01015 |
| #8 |
0.164 |
36 |
0.146 |
0.1309 |
0.1339 |
0.01285 |
0.01474 |
| #10 |
0.19 |
32 |
0.1697 |
0.1528 |
0.1562 |
0.0175 |
0.02 |
| #12* |
0.216 |
28 |
0.1928 |
0.1734 |
0.1773 |
0.0226 |
0.0258 |
| 1/4 |
0.25 |
28 |
0.2268 |
0.2074 |
0.2113 |
0.0326 |
0.0364 |
| 5/16 |
0.3125 |
24 |
0.2854 |
0.2629 |
0.2674 |
0.0524 |
0.058 |
| 3/8 |
0.375 |
24 |
0.3479 |
0.3254 |
0.3299 |
0.0809 |
0.0878 |
| 7/16 |
0.4375 |
20 |
0.405 |
0.378 |
0.3834 |
0.109 |
0.1187 |
| 1/2 |
0.5 |
20 |
0.4675 |
0.4405 |
0.4459 |
0.1486 |
0.1599 |
| 9/16 |
0.5625 |
18 |
0.5264 |
0.4964 |
0.5024 |
0.189 |
0.203 |
| 5/8 |
0.625 |
18 |
0.5889 |
0.5589 |
0.5649 |
0.24 |
0.256 |
| 3/4 |
0.75 |
16 |
0.7094 |
0.6763 |
0.6823 |
0.351 |
0.373 |
| 7/8 |
0.875 |
14 |
0.8286 |
0.79 |
0.7977 |
0.48 |
0.509 |
| 1 |
1 |
12 |
0.9459 |
0.9001 |
0.9098 |
0.625 |
0.663 |
| 1-1/8 |
1.125 |
12 |
1.0709 |
1.0258 |
1.0348 |
0.812 |
0.856 |
| 1¼ |
1.25 |
12 |
1.1959 |
1.1508 |
1.1598 |
1.024 |
1.073 |
| 1-3/8 |
1.375 |
12 |
1.3209 |
1.2758 |
1.2848 |
1.26 |
1.315 |
| 1½ |
1.5 |
12 |
1.4459 |
1.4008 |
1.4098 |
1.521 |
1.581 |
| # |
inch |
tpi |
inch |
inch |
inch |
sq. inch |
sq. inch |
| Size |
Major Dia |
Threads Per Inch |
Pitch Dia |
Minor Dia External a |
Minor Dia Internalb |
Minor Dia Area |
Tensile Stress Area |
| * Secondary Size |
aForm for UNR thread |
bBasic Minor Diameter |
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