|
标准系列的美制航空航天内螺纹的极限尺寸 in |
|||||||
|
公称直径 -牙数 |
系列 标记 |
内 螺 纹 |
|||||
|
公差带 |
小 径 |
中 径 |
大 径 |
||||
|
max |
min |
max |
min |
min |
|||
|
0.0600-80
|
UNJF
|
2B 3B |
0.0511 0.0511 |
0.0479 0.0479 |
0.0542 0.0536 |
0.0519 0.0519 |
0.0600 0.0600 |
|
0.0730-64
|
UNJC
|
2B 3B |
0.0619 0.0619 |
0.0578 0.0578 |
0.0655 0.0648 |
0.0629 0.0629 |
0.0730 0.0730 |
|
0.0730-72
|
UNJF
|
2B 3B |
0.0631 0.0631 |
0.0595 0.0595 |
0.0665 0.0659 |
0.0640 0.0640 |
0.0730 0.0730 |
|
0.0860-56
|
UNJC
|
2B 3B |
0.0732 0.0732 |
0.0686 0.0686 |
0.0772 0.0765 |
0.0744 0.0744 |
0.0860 0.0860 |
|
0.0860-64
|
UNJF
|
2B 3B |
0.0749 0.0749 |
0.0708 0.0708 |
0.0786 0.0779 |
0.0759 0.0759 |
0.0860 0.0860 |
|
0.0990-48
|
UNJC
|
2B 3B |
0.0841 0.0841 |
0.0787 0.0787 |
0.0885 0.0877 |
0.0855 0.0855 |
0.0990 0.0990 |
|
0.0990-56
|
UNJF
|
2B 3B |
0.0862 0.0862 |
0.0816 0.0816 |
0.0902 0.0895 |
0.0874 0.0874 |
0.0990 0.0990 |
|
0.1120-40
|
UNJC
|
2B 3B |
0.0942 0.0942 |
0.0877 0.0877 |
0.0991 0.0982 |
0.0958 0.0958 |
0.1120 0.1120 |
|
0.1120-48
|
UNJF
|
2B 3B |
0.0971 0.0971 |
0.0917 0.0917 |
0.1016 0.1008 |
0.0985 0.0985 |
0.1120 0.1120 |
|
0.1250-40
|
UNJC
|
2B 3B |
0.1072 0.1072 |
0.1007 0.1007 |
0.1121 0.1113 |
0.1088 0.1088 |
0.1250 0.1250 |
|
0.1250-44
|
UNJF
|
2B 3B |
0.1088 0.1088 |
0.1029 0.1029 |
0.1134 0.1126 |
0.1102 0.1102 |
0.1250 0.1250 |
|
0.1380-32
|
UNJC
|
2B 3B |
0.1157 0.1157 |
0.1076 0.1076 |
0.1214 0.1204 |
0.1177 0.1177 |
0.1380 0.1380 |
|
0.1380-40
|
UNJF
|
2B 3B |
0.1202 0.1202 |
0.1137 0.1137 |
0.1252 0.1243 |
0.1218 0.1218 |
0.1380 0.1380 |
|
0.1640-32
|
UNJC
|
2B 3B |
0.1417 0.1417 |
0.1336 0.1336 |
0.1475 0.1465 |
0.1437 0.1437 |
0.1640 0.1640 |
|
0.1640-36
|
UNJF
|
2B 3B |
0.1442 0.1442 |
0.1370 0.1370 |
0.1496 0.1487 |
0.1460 0.1460 |
0.1640 0.1640 |
|
0.1900-24
|
UNJC
|
2B 3B |
0.1600 0.1600 |
0.1494 0.1494 |
0.1672 0.1661 |
0.1629 0.1629 |
0.1900 0.1900 |
|
0.1900-32
|
UNJF
|
2B 3B |
0.1675 0.1675 |
0.1596 0.1596 |
0.1736 0.1726 |
0.1697 0.1697 |
0.1900 0.1900 |
|
0.2160-24
|
UNJC
|
2B 3B |
0.1852 0.1852 |
0.1754 0.1754 |
0.1933 0.1922 |
0.1889 0.1889 |
0.2160 0.2160 |
|
0.2160-28
|
UNJF
|
2B 3B |
0.1896 0.1896 |
0.1812 0.1812 |
0.1970 0.1959 |
0.1928 0.1928 |
0.2160 0.2160 |
|
0.2160-32
|
UNJEF
|
2B 3B |
0.1929 0.1929 |
0.1856 0.1856 |
0.1998 0.1988 |
0.1957 0.1957 |
0.2160 0.2160 |
|
0.2500-20
|
UNJC
|
2B 3B |
0.2121 0.2121 |
0.2013 0.2013 |
0.2224 0.2211 |
0.2175 0.2175 |
0.2500 0.2500 |
|
0.2500-28
|
UNJF
|
2B 3B |
0.2229 0.2229 |
0.2152 0.2152 |
0.2311 0.2300 |
0.2268 0.2268 |
0.2500 0.2500 |
|
0.2500-32
|
UNJEF
|
2B 3B |
0.2263 0.2263 |
0.2196 0.2196 |
0.2339 0.2328 |
0.2297 0.2297 |
0.2500 0.2500 |
|
0.3125-18
|
UNJC
|
2B 3B |
0.2690 0.2690 |
0.2584 0.2584 |
0.2817 0.2803 |
0.2764 0.2764 |
0.3125 0.3125 |
|
0.3125-24
|
UNJF
|
2B 3B |
0.2799 0.2799 |
0.2719 0.2719 |
0.2902 0.2890 |
0.2854 0.2854 |
0.3125 0.3125 |
|
0.3125-32
|
UNJEF
|
2B 3B |
0.2881 0.2881 |
0.2821 0.2821 |
0.2964 0.2953 |
0.2922 0.2922 |
0.3125 0.3125 |
|
0.3750-16
|
UNJC
|
2B 3B |
0.3250 0.3250 |
0.3141 0.3141 |
0.3401 0.3387 |
0.3344 0.3344 |
0.3750 0.3750 |
|
0.3750-24
|
UNJF
|
2B 3B |
0.3417 0.3417 |
0.3344 0.3344 |
0.3528 0.3516 |
0.3479 0.3479 |
0.3750 0.3750 |
|
0.3750-32
|
UNJEF
|
2B 3B |
0.3501 0.3501 |
0.3446 0.3446 |
0.3591 0.3580 |
0.3547 0.3547 |
0.3750 0.3750 |
|
0.4375-14
|
UNJC
|
2B 3B |
0.3795 0.3795 |
0.3680 0.3680 |
0.3972 0.3957 |
0.3911 0.3911 |
0.4375 0.4375 |
|
0.4375-16
|
UNJ
|
2B 3B |
0.3868 0.3868 |
0.3766 0.3766 |
0.4028 0.4014 |
0.3969 0.3969 |
0.4375 0.4375 |
|
0.4375-20
|
UNJF
|
2B 3B |
0.3970 0.3970 |
0.3888 0.3888 |
0.4104 0.4091 |
0.4050 0.4050 |
0.4375 0.4375 |
|
0.4375-28
|
UNJEF
|
2B 3B |
0.4086 0.4086 |
0.4027 0.4027 |
0.4189 0.4178 |
0.4143 0.4143 |
0.4375 0.4375 |
|
0.5000-13
|
UNJC
|
2B 3B |
0.4368 0.4368 |
0.4251 0.4251 |
0.4565 0.4548 |
0.4500 0.4500 |
0.5000 0.5000 |
|
0.5000-16
|
UNJ
|
2B 3B |
0.4488 0.4488 |
0.4392 0.4392 |
0.4655 0.4640 |
0.4594 0.4594 |
0.5000 0.5000 |
|
0.5000-20
|
UNJF
|
2B 3B |
0.4591 0.4591 |
0.4513 0.4513 |
0.4731 0.4717 |
0.4675 0.4675 |
0.5000 0.5000 |
|
0.5000-28
|
UNJEF
|
2B 3B |
0.4708 0.4708 |
0.4652 0.4652 |
0.4816 0.4804 |
0.4768 0.4768 |
0.5000 0.5000 |
|
0.5625-12
|
UNJC
|
2B 3B |
0.4914 0.4914 |
0.4814 0.4814 |
0.5152 0.5135 |
0.5084 0.5084 |
0.5625 0.5625 |
|
0.5625-16
|
UNJ
|
2B 3B |
0.5109 0.5109 |
0.5017 0.5017 |
0.5280 0.5265 |
0.5219 0.5219 |
0.5625 0.5625 |
|
0.5625-18
|
UNJF
|
2B 3B |
0.5166 0.5166 |
0.5084 0.5084 |
0.5323 0.5308 |
0.5264 0.5264 |
0.5625 0.5625 |
|
0.5625-24
|
UNJEF
|
2B 3B |
0.5281 0.5281 |
0.5219 0.5219 |
0.5405 0.5392 |
0.5354 0.5354 |
0.5625 0.5625 |
|
0.6250-11
|
UNJC
|
2B 3B |
0.5474 0.5474 |
0.5365 0.5365 |
0.5732 0.5714 |
0.5660 0.5660 |
0.6250 0.6250 |
|
0.6250-12
|
UNJ
|
2B 3B |
0.5539 0.5539 |
0.5439 0.5439 |
0.5780 0.5762 |
0.5709 0.5709 |
0.6250 0.6250 |
|
0.6250-16
|
UNJ
|
2B 3B |
0.5731 0.5731 |
0.5642 0.5642 |
0.5906 0.5890 |
0.5844 0.5844 |
0.6250 0.6250 |
|
0.6250-18
|
UNJF
|
2B 3B |
0.5788 0.5788 |
0.5709 0.5709 |
0.5949 0.5934 |
0.5889 0.5889 |
0.6250 0.6250 |
|
0.6250-24
|
UNJEF
|
2B 3B |
0.5904 0.5904 |
0.5844 0.5844 |
0.6031 0.6018 |
0.5979 0.5979 |
0.6250 0.6250 |
|
0.6875-12
|
UNJ
|
2B 3B |
0.6164 0.6164 |
0.6064 0.6064 |
0.6405 0.6387 |
0.6334 0.6334 |
0.6875 0.6875 |
|
0.6875-16
|
UNJ
|
2B 3B |
0.6353 0.6353 |
0.6267 0.6267 |
0.6531 0.6515 |
0.6469 0.6469 |
0.6875 0.6875 |
|
0.6875-24
|
UNJEF
|
2B 3B |
0.6527 0.6527 |
0.6469 0.6469 |
0.6656 0.6643 |
0.6604 0.6604 |
0.6875 0.6875 |
|
0.7500-10
|
UNJC
|
2B 3B |
0.6646 0.6646 |
0.6526 0.6526 |
0.6927 0.6907 |
0.6850 0.6850 |
0.7500 0.7500 |
|
0.7500-12
|
UNJ
|
2B 3B |
0.6789 0.6789 |
0.6689 0.6689 |
0.7031 0.7013 |
0.6959 0.6959 |
0.7500 0.7500 |
|
0.7500-16
|
UNJF
|
2B 3B |
0.6977 0.6977 |
0.6892 0.6892 |
0.7159 0.7143 |
0.7094 0.7094 |
0.7500 0.7500 |
|
0.7500-20
|
UNJEF
|
2B 3B |
0.7081 0.7081 |
0.7013 0.7013 |
0.4232 0.7218 |
0.7175 0.7175 |
0.7500 0.7500 |
|
0.8125-12
|
UNJ
|
2B 3B |
0.7414 0.7414 |
0.7314 0.7314 |
0.7656 0.7638 |
0.7584 0.7584 |
0.8125 0.8125 |
|
0.8125-16
|
UNJ
|
2B 3B |
0.7602 0.7602 |
0.7517 0.7517 |
0.7782 0.7766 |
0.7719 0.7719 |
0.8125 0.8125 |
|
0.8125-20
|
UNJEF
|
2B 3B |
0.7706 0.7706 |
0.7638 0.7638 |
0.7857 0.7843 |
0.7800 0.7800 |
0.8125 0.8125 |
|
0.8750-9
|
UNJC
|
2B 3B |
0.7801 0.7801 |
0.7668 0.7668 |
0.8110 0.8089 |
0.8028 0.8028 |
0.8750 0.8750 |
|
0.8750-12
|
UNJ
|
2B 3B |
0.8039 0.8039 |
0.7939 0.7939 |
0.8281 0.8263 |
0.8209 0.8209 |
0.8750 0.8750 |
|
0.8750-14
|
UNJF
|
2B 3B |
0.8152 0.8152 |
0.8055 0.8055 |
0.8356 0.8339 |
0.8286 0.8286 |
0.8750 0.8750 |
|
0.8750-16
|
UNJ
|
2B 3B |
0.8227 0.8227 |
0.8142 0.8142 |
0.8407 0.8391 |
0.8344 0.8344 |
0.8750 0.8750 |
|
0.8750-20
|
UNJEF
|
2B 3B |
0.8331 0.8331 |
0.8263 0.8263 |
0.8482 0.8482 |
0.8425 0.8425 |
0.8750 0.8750 |
|
0.9375-12
|
UNJ
|
2B 3B |
0.8664 0.8664 |
0.8564 0.8564 |
0.8908 0.8889 |
0.8834 0.8834 |
0.9375 0.9375 |
|
0.9375-16
|
UNJ
|
2B 3B |
0.8852 0.8852 |
0.8767 0.8767 |
0.9034 0.9018 |
0.8969 0.8969 |
0.9375 0.9375 |
|
0.9375-20
|
UNJEF
|
2B 3B |
0.8956 0.8956 |
0.8888 0.8888 |
0.9109 0.9094 |
0.9050 0.9050 |
0.9375 0.9375 |
|
1.0000-8
|
UNJC
|
2B 3B |
0.8933 0.8933 |
0.8783 0.8783 |
0.9276 0.9254 |
0.9188 0.9188 |
1.0000 1.0000 |
|
1.0000-12
|
UNJF
|
2B 3B |
0.9289 0.9289 |
0.9189 0.9189 |
0.9535 0.9516 |
0.9459 0.9459 |
1.0000 1.0000 |
|
1.0000-16
|
UNJ
|
2B 3B |
0.9477 0.9477 |
0.9392 0.9392 |
0.9659 0.9643 |
0.9594 0.9594 |
1.0000 1.0000 |
|
1.0000-20
|
UNJEF
|
2B 3B |
0.9581 0.9581 |
0.9513 0.9513 |
0.9734 0.9719 |
0.9675 0.9675 |
1.0000 1.0000 |
|
1.0625-8
|
UNJ
|
2B 3B |
0.9558 0.9558 |
0.9408 0.9408 |
0.9902 0.9880 |
0.9813 0.9813 |
1.0625 1.0625 |
|
1.0625-12
|
UNJ
|
2B 3B |
0.9914 0.9914 |
0.9814 0.9814 |
1.0158 1.0139 |
1.0084 1.0084 |
1.0625 1.0625 |
|
1.0625-16
|
UNJ
|
2B 3B |
1.0102 1.0102 |
1.0017 1.0017 |
1.0284 1.0268 |
1.0219 1.0219 |
1.0625 1.0625 |
|
1.0625-18
|
UNJEF
|
2B 3B |
1.0159 0.0159 |
1.0084 1.0084 |
1.0326 1.0310 |
1.0264 1.0264 |
1.0625 1.0625 |
|
1.1250-7
|
UNJC
|
2B 3B |
1.0030 1.0030 |
0.9859 0.9859 |
1.0416 1.0393 |
1.0322 1.0322 |
1.1250 1.1250 |
|
1.1250-8
|
UNJ
|
2B 3B |
1.0183 1.0183 |
1.0033 1.0033 |
1.0528 1.0505 |
1.0438 1.0438 |
1.1250 1.1250 |
|
1.1250-12
|
UNJF
|
2B 3B |
1.0539 1.0539 |
1.0439 1.0439 |
1.0787 1.0768 |
1.0709 1.0709 |
1.1250 1.1250 |
|
1.1250-16
|
UNJ
|
2B 3B |
1.0727 1.0727 |
1.0642 1.0642 |
1.0909 1.0893 |
1.0844 1.0844 |
1.1250 1.1250 |
|
1.1250-18
|
UNJEF
|
2B 3B |
1.0784 1.0784 |
1.0709 1.0709 |
1.0951 1.0935 |
1.0889 1.0889 |
1.1250 1.1250 |
|
1.1875-8
|
UNJ
|
2B 3B |
1.0808 1.0808 |
1.0658 1.0658 |
1.1154 1.1131 |
1.1063 1.1063 |
1.1875 1.1875 |
|
1.1875-12
|
UNJ
|
2B 3B |
1.1164 1.1164 |
1.1064 1.1064 |
1.1409 1.1390 |
1.1334 1.1334 |
1.1875 1.1875 |
|
1.1875-16
|
UNJ
|
2B 3B |
1.1352 1.1352 |
1.1267 1.1267 |
1.1535 1.1519 |
1.1469 1.1469 |
1.1875 1.1875 |
|
1.1875-18
|
UNJEF
|
2B 3B |
1.1409 1.1409 |
1.1334 1.1334 |
1.1577 1.1561 |
1.1514 1.1514 |
1.1875 1.1875 |
|
1.2500-7
|
UNJC
|
2B 3B |
1.1280 1.1280 |
1.1109 1.1109 |
1.1668 1.1644 |
1.1572 1.1572 |
1.2500 1.2500 |
|
1.2500-8
|
UNJ
|
2B 3B |
1.1433 1.1433 |
1.1283 1.1283 |
1.1780 1.1757 |
1.1688 1.1688 |
1.2500 1.2500 |
|
1.2500-12
|
UNJF
|
2B 3B |
1.1789 1.1789 |
1.1689 1.1689 |
1.2039 1.2019 |
1.1959 1.1959 |
1.2500 1.2500 |
|
1.2500-16
|
UNJ
|
2B 3B |
1.1977 1.1977 |
1.1892 1.1892 |
1.2160 1.2144 |
1.2094 1.2094 |
1.2500 1.2500 |
|
1.2500-18
|
UNJEF
|
2B 3B |
1.2034 1.2034 |
1.1959 1.1959 |
1.2202 1.2186 |
1.2139 1.2139 |
1.2500 1.2500 |
|
1.3125-8
|
UNJ
|
2B 3B |
1.2058 1.2058 |
1.1908 1.1908 |
1.2405 1.2382 |
1.2313 1.2313 |
1.3125 1.3125 |
|
1.3125-12
|
UNJ
|
2B 3B |
1.2414 1.2414 |
1.2314 1.2314 |
1.2659 1.2640 |
1.2584 1.2584 |
1.3125 1.3125 |
|
1.3125-16
|
UNJ
|
2B 3B |
1.2602 1.2602 |
1.2517 1.2517 |
1.2785 1.2769 |
1.2719 1.2719 |
1.3125 1.3125 |
|
1.3125-18
|
UNJEF
|
2B 3B |
1.2659 1.2659 |
1.2584 1.2584 |
1.2827 1.2811 |
1.2764 1.2764 |
1.3125 1.3125 |
|
1.3750-6
|
UNJC
|
2B 3B |
1.2327 1.2327 |
1.2127 1.2127 |
1.2771 1.2745 |
1.2667 1.2667 |
1.3750 1.3750 |
|
1.3750-8
|
UNJ
|
2B 3B |
1.2683 1.2683 |
1.2533 1.2533 |
1.3031 1.3008 |
1.2938 1.2938 |
1.3750 1.3750 |
|
1.3750-12
|
UNJF
|
2B 3B |
1.3039 1.3039 |
1.2939 1.2939 |
1.3291 1.3270 |
1.3209 1.3209 |
1.3750 1.3750 |
|
1.3750-16
|
UNJ
|
2B 3B |
1.3227 1.3227 |
1.3142 1.3142 |
1.3410 1.3394 |
1.3344 1.3344 |
1.3750 1.3750 |
|
1.3750-18
|
UNJEF
|
2B 3B |
1.3284 1.3284 |
1.3209 1.3209 |
1.3452 1.3436 |
1.3389 1.3389 |
1.3750 1.3750 |
|
1.4375-8
|
UNJ
|
2B 3B |
1.3308 1.3308 |
1.3158 1.3158 |
1.3657 1.3634 |
1.3563 1.3563 |
1.4375 1.4375 |
|
1.4375-12
|
UNJ
|
2B 3B |
1.3664 1.3664 |
1.3564 1.3564 |
1.3910 1.3891 |
1.3834 1.3834 |
1.4375 1.4375 |
|
1.4375-16
|
UNJ
|
2B 3B |
1.3852 1.3852 |
1.3767 1.3767 |
1.4037 1.4020 |
1.3969 1.3969 |
1.4375 1.4375 |
|
1.4375-18
|
UNJEF
|
2B 3B |
1.3909 1.3909 |
1.3834 1.3834 |
1.4079 1.4062 |
1.4014 1.4014 |
1.4375 1.4375 |
|
1.5000-6
|
UNJC
|
2B 3B |
1.3577 1.3577 |
1.3377 1.3377 |
1.4022 1.3996 |
1.3917 1.3917 |
1.5000 1.5000 |
|
1.5000-8
|
UNJ
|
2B 3B |
1.3933 1.3933 |
1.3783 1.3783 |
1.4283 1.4259 |
1.4188 1.4188 |
1.5000 1.5000 |
|
1.5000-12
|
UNJF
|
2B 3B |
1.4289 1.4289 |
1.4189 1.4189 |
1.4542 1.4522 |
1.4459 1.4459 |
1.5000 1.5000 |
|
1.5000-16
|
UNJ
|
2B 3B |
1.4477 1.4477 |
1.4392 1.4392 |
1.4662 1.4645 |
1.4594 1.4594 |
1.5000 1.5000 |
|
1.5000-18
|
UNJEF
|
2B 3B |
1.4534 1.4534 |
1.4459 1.4459 |
1.4704 1.4687 |
1.4639 1.4639 |
1.5000 1.5000 |
|
1.5625-8
|
UNJ
|
2B 3B |
1.4558 1.4558 |
1.4408 1.4408 |
1.4909 1.4885 |
1.4813 1.4813 |
1.5625 1.5625 |
|
1.5625-12
|
UNJ
|
2B 3B |
1.4914 1.4914 |
1.4814 1.4814 |
1.5160 1.5141 |
1.5084 1.5084 |
1.5625 1.5625 |
|
1.5625-16
|
UNJ
|
2B 3B |
1.5102 1.5102 |
1.5017 1.5017 |
1.5287 1.5270 |
1.5219 1.5219 |
1.5625 1.5625 |
|
1.5625-18
|
UNJEF
|
2B 3B |
1.5159 1.5159 |
1.5084 1.5084 |
1.5329 1.5312 |
1.5264 1.5264 |
1.5625 1.5625 |
|
1.6250-8
|
UNJ
|
2B 3B |
1.5183 1.5183 |
1.5033 1.5033 |
1.5535 1.5510 |
1.5438 1.5438 |
1.6250 1.6250 |
|
1.6250-12
|
UNJ
|
2B 3B |
1.5539 1.5539 |
1.5439 1.5439 |
1.5785 1.5766 |
1.5709 1.5709 |
1.6250 1.6250 |
|
1.6250-16
|
UNJ
|
2B 3B |
1.5727 1.5727 |
1.5642 1.5642 |
1.5912 1.5895 |
1.5844 1.5844 |
1.6250 1.6250 |
|
1.6250-18
|
UNJEF
|
2B 3B |
1.5784 1.5784 |
1.5709 1.5709 |
1.5954 1.5937 |
1.5889 1.5889 |
1.6250 1.6250 |
|
1.6875-8
|
UNJ
|
2B 3B |
1.5808 1.5808 |
1.5658 1.5658 |
1.6160 1.6136 |
1.6063 1.6063 |
1.6875 1.6875 |
|
1.6875-12
|
UNJ
|
2B 3B |
1.6164 1.6164 |
1.6064 1.6064 |
1.6412 1.6392 |
1.6334 1.6334 |
1.6875 1.6875 |
|
1.675-16
|
UNJ
|
2B 3B |
1.6352 1.6352 |
1.6267 1.6267 |
1.6538 1.6521 |
1.6469 1.6469 |
1.6875 1.6875 |
|
1.6875-18
|
UNJEF
|
2B 3B |
1.6409 1.6409 |
1.6334 1.6334 |
1.6580 1.6563 |
1.6514 1.6514 |
1.6875 1.6875 |