| ANSI Standard Hardware Menu | Rivet Supplier and Manufacturing
American National Standard Stub Acme Single-Start Screw Threads
ASME/ANSI B1.8-1988 (R2001)
|
1⁄4 |
5⁄16 |
3⁄8 |
7⁄16 |
1/2 |
5⁄8 |
3⁄4 |
7⁄8 |
1 |
11⁄8 |
11⁄4 |
13⁄8 |
|
16 |
14 |
12 |
12 |
10 |
8 |
6 |
6 |
5 |
5 |
5 |
4 |
| External Threads |
Major Dia. Max |
0.2500 |
0.3125
|
0.3750 |
0.4375 |
0.5000 |
0.6250 |
0.7500 |
0.8750 |
1.0000 |
1.1250 |
1.2500 |
1.3750 |
Major Dia. Min |
0.2469 |
0.3089 |
0.3708 |
0.4333 |
0.4950 |
0.6188 |
0.7417 |
0.8667 |
0.9900 |
1.1150 |
1.2400 |
1.3625 |
Pitch Dia. Max |
0.2272 |
0.2871 |
0.3451 |
0.4076 |
0.4643 |
0.5812 |
0.6931 |
0.8175 |
0.9320 |
1.0565 |
1.1811 |
1.2906 |
Pitch Dia. Min |
0.2167 |
0.2757 |
0.3328 |
0.3950 |
0.4506 |
0.5658 |
0.6757 |
0.7996 |
0.9126 |
1.0367 |
1.1610 |
1.2686 |
Minor Dia Max. |
0.2024 |
0.2597 |
0.3150 |
0.3775 |
0.4200 |
0.5300 |
0.6300 |
0.7550 |
0.8600 |
0.9850 |
1.1100 |
1.2050 |
Minor Dia Min |
0.1919 |
0.2483 |
0.3027 |
0.3649 |
0.4063 |
0.5146 |
0.6126 |
0.7371 |
0.8406 |
0.9652 |
1.0899 |
1.1830 |
Internal Threads |
Major Dia. Min |
0.2600 |
0.3225 |
0.3850 |
0.4475 |
0.5200 |
0.6450 |
0.7700 |
0.8950 |
1.0200 |
1.1450 |
1.2700 |
1.3950 |
Major Dia. Max |
0.2705 |
0.3339 |
0.3973 |
0.4601 |
0.5337 |
0.6604 |
0.7874 |
0.9129 |
1.0394 |
1.1648 |
1.2901 |
1.4170 |
Pitch Dia. Min |
0.2312 |
0.2911 |
0.3500 |
0.4125 |
0.4700 |
0.5875 |
0.7000 |
0.8250 |
0.9400 |
1.0650 |
1.1900 |
1.3000 |
Pitch Dia. Max |
0.2417 |
0.3025 |
0.3623 |
0.4251 |
0.4837 |
0.6029 |
0.7174 |
0.8429 |
0.9594 |
1.0848 |
1.2101 |
1.3220 |
Minor Dia. Min |
0.2125 |
0.2696 |
0.3250 |
0.3875 |
0.4400 |
0.5500 |
0.6500 |
0.7750 |
0.8800 |
1.0050 |
1.1300 |
1.2250 |
Minor Dia. Max |
0.2156 |
0.2732 |
0.3292 |
0.3917 |
0.4450 |
0.5562 |
0.6583 |
0.7833 |
0.8900 |
1.0150 |
1.1400 |
1.2375 |
| |
Nominal Diameter |
1 1⁄2 |
1 3⁄4 |
2 |
2 1⁄4 |
2 1⁄2 |
2 3⁄4 |
3 |
3 1⁄2 |
4 |
4 1⁄2 |
5 |
5 |
Threads per Inch |
4 |
4 |
4 |
3 |
3 |
3 |
2 |
2 |
2 |
2 |
2 |
2 |
External Threads |
Major Dia. Max |
1.5000 |
1.7500 |
2.0000 |
2.2500 |
2.5000 |
2.7500 |
3.0000 |
3.5000 |
4.0000 |
4.5000 |
5.0000 |
5.0000 |
Major Dia. Min |
1.4875 |
1.7375 |
1.9875 |
2.2333 |
2.4833 |
2.7333 |
2.9750 |
3.4750 |
3.9750 |
4.4750 |
4.9750 |
4.9750 |
Pitch Dia. Max |
1.4152 |
1.6645 |
1.9137 |
2.1380 |
2.3874 |
2.6367 |
2.8360 |
3.3350 |
3.8340 |
4.3330 |
4.8319 |
4.831 |
Pitch Dia. Min |
1.3929 |
1.6416 |
1.8902 |
2.1117 |
2.3606 |
2.6094 |
2.8044 |
3.3026 |
3.8008 |
4.2991 |
4.7973 |
4.7973 |
Minor Dia. Max |
1.3300 |
1.5800 |
1.8300 |
2.0300 |
2.2800 |
2.5300 |
2.6800 |
3.1800 |
3.6800 |
4.1800 |
4.6800 |
4.6800 |
Minor Dia. Min |
1.3077 |
1.5571 |
1.8065 |
2.0037 |
2.2532 |
2.5027 |
2.6484 |
3.1476 |
3.6468 |
4.1461 |
4.6454 |
4.6454 |
Internal Threads |
Major Dia. Min |
1.5200 |
1.7700 |
2.0200 |
2.2700 |
2.5200 |
2.7700 |
3.0200 |
3.5200 |
4.0200 |
4.5200 |
5.0200 |
5.0200 |
Major Dia. Max |
1.5423 |
1.7929 |
2.0435 |
2.2963 |
2.5468 |
2.7973 |
3.0516 |
3.5524 |
4.0532 |
4.5539 |
5.0546 |
5.0546 |
Pitch Dia. Min |
1.4250 |
1.6750 |
1.9250 |
2.1500 |
2.4000 |
2.6500 |
2.8500 |
3.3500 |
3.8500 |
4.3500 |
4.8500 |
4.8500 |
Pitch Dia. Max |
1.4473 |
1.6979 |
1.9485 |
2.1763 |
2.4268 |
2.6773 |
2.8816 |
3.3824 |
3.8832 |
4.3839 |
4.8846 |
4.8846 |
Minor Dia. Min |
1.3500 |
1.6000 |
1.8500 |
2.0500 |
2.3000 |
2.5500 |
2.7000 |
3.2000 |
3.7000 |
4.2000 |
4.7000 |
4.7000 |
Minor Dia. Max |
1.3625 |
1.6125 |
1.8625 |
2.0667 |
2.3167 |
2.5667 |
2.7250 |
3.2250 |
3.7250 |
4.2250 |
4.7250 |
4.7250 |
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