|
统一螺纹导程的允许偏差及相应的中径当量 |
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|
公称直径-牙数 |
系列 标记 |
外 螺 纹 |
内 螺 纹 |
||||
|
公差带 |
导程的允 许偏差± |
中径当量 ＋ |
公差带 |
导程的允 许偏差± |
中径当量 － |
||
|
15/16-8或1.3125-8 |
UN |
|
0.002 05 0.001 53 |
0.003 55 0.002 65 |
2B 3B |
0.002 66 0.001 99 |
0.004 60 0.003 45 |
|
15/16-12或1.3125-12 |
UN |
|
0.001 67 0.001 24 |
0.002 90 0.002 15 |
2B 3B |
0.002 17 0.001 62 |
0.003 75 0.002 80 |
|
15/16-16或1.3125-16 |
UN |
|
0.001 47 0.001 10 |
0.002 55 0.001 90 |
2B 3B |
0.001 91 0.001 44 |
0.003 30 0.002 50 |
|
15/16-18或1.3125-18 |
UNEF |
|
0.001 41 0.001 04 |
0.002 45 0.001 80 |
2B 3B |
0.001 82 0.001 36 |
0.003 15 0.002 35 |
|
15/16-20或1.3125-20 |
UN |
|
0.001 36 0.001 01 |
0.002 35 0.001 75 |
2B 3B |
0.001 76 0.001 30 |
0.003 05 0.002 25 |
|
15/16-28或1.3125-28 |
UN |
|
0.001 18 0.000 89 |
0.002 05 0.001 55 |
2B 3B |
0.001 53 0.001 15 |
0.002 65 0.002 00 |
|
13/8-6或1.375-6 |
UNC |
|
0.003 46 0.002 31 0.001 73 |
0.006 00 0.004 00 0.003 00 |
1B 2B 3B |
0.004 47 0.003 00 0.002 25 |
0.007 75 0.005 20 0.003 90 |
|
13/8-8或1.375-8 |
UN |
|
0.002 08 0.001 56 |
0.003 60 0.002 70 |
2B 3B |
0.002 68 0.002 02 |
0.004 65 0.003 50 |
|
13/8-12或1.375-12 |
UNF |
|
0.002 71 0.001 82 0.001 36 |
0.004 70 0.003 15 0.002 35 |
1B 2B 3B |
0.003 55 0.002 37 0.001 76 |
0.006 15 0.004 10 0.003 05 |
|
13/8-16或1.375-16 |
UN |
|
0.001 47 0.001 10 |
0.002 55 0.001 90 |
2B 3B |
0.001 91 0.001 44 |
0.003 30 0.002 50 |
|
13/8-18或1.375-18 |
UNEF |
|
0.001 41 0.001 04 |
0.002 45 0.001 80 |
2B 3B |
0.001 82 0.001 36 |
0.003 15 0.002 35 |
|
13/8-20或1.375-20 |
UN |
|
0.001 36 0.001 01 |
0.002 35 0.001 75 |
2B 3B |
0.001 76 0.001 30 |
0.003 05 0.002 25 |
|
13/8-28或1.375-28 |
UN |
|
0.001 18 0.000 89 |
0.002 05 0.001 55 |
2B 3B |
0.001 53 0.001 15 |
0.002 65 0.002 00 |
|
17/16-6或1.4375-6 |
UN |
|
0.002 31 0.001 73 |
0.004 00 0.003 00 |
2B 3B |
0.003 00 0.002 25 |
0.005 20 0.003 90 |
|
17/16-8或1.4375-8 |
UN |
|
0.002 08 0.001 56 |
0.003 60 0.002 70 |
2B 3B |
0.002 71 0.002 05 |
0.004 70 0.003 55 |
|
17/16-12或1.4375-12 |
UN |
|
0.001 70 0.001 27 |
0.002 95 0.002 20 |
2B 3B |
0.002 19 0.001 65 |
0.003 80 0.002 85 |
|
17/16-16或1.4375-16 |
UN |
|
0.001 50 0.001 13 |
0.002 60 0.001 95 |
2B 3B |
0.001 96 0.001 47 |
0.003 40 0.002 55 |
|
17/16-18或1.4375-18 |
UNEF |
|
0.001 44 0.001 07 |
0.002 50 0.001 85 |
2B 3B |
0.001 88 0.001 39 |
0.003 25 0.002 40 |
|
17/16-20或1.4375-20 |
UN |
|
0.001 39 0.001 04 |
0.002 40 0.001 80 |
2B 3B |
0.001 79 0.001 33 |
0.003 10 0.002 30 |
|
17/16-28或1.4375-28 |
UN |
|
0.001 21 0.000 89 |
0.002 10 0.001 55 |
2B 3B |
0.001 59 0.001 18 |
0.002 75 0.002 05 |
|
11/2-6或1.500-6 |
UNC |
|
0.003 49 0.002 34 0.001 76 |
0.006 05 0.004 05 0.003 05 |
1B 2B 3B |
0.004 56 0.003 03 0.002 28 |
0.007 90 0.005 25 0.003 05 |
|
11/2-8或1.500-8 |
UN |
|
0.002 11 0.001 59 |
0.003 65 0.002 75 |
2B 3B |
0.002 74 0.002 05 |
0.004 75 0.003 55 |
|
11/2-12或1.500-12 |
UNF |
|
0.002 77 0.001 85 0.001 39 |
0.004 80 0.003 20 0.002 40 |
1B 2B 3B |
0.003 61 0.002 40 0.001 82 |
0.006 25 0.004 15 0.003 15 |
|
11/2-16或1.500-12 |
UN |
|
0.001 50 0.001 13 |
0.002 60 0.001 95 |
2B 3B |
0.001 96 0.001 47 |
0.003 40 0.002 55 |
|
11/2-18或1.500-18 |
UNEF |
|
0.001 44 0.001 07 |
0.002 50 0.001 85 |
2B 3B |
0.001 88 0.001 39 |
0.003 25 0.002 40 |
|
11/2-20或1.500-20 |
UN |
|
0.001 39 0.001 04 |
0.002 40 0.001 80 |
2B 3B |
0.001 79 0.001 33 |
0.003 10 0.002 30 |
|
11/2-28或1.500-28 |
UN |
|
0.001 21 0.000 89 |
0.002 10 0.001 55 |
2B 3B |
0.001 59 0.001 18 |
0.002 75 0.002 05 |
|
19/16-6或1.5625-6 |
UN |
|
0.002 37 0.001 76 |
0.004 10 0.003 05 |
2B 3B |
0.003 06 0.002 31 |
0.005 30 0.004 00 |
|
19/16-8或1.5625-8 |
UN |
|
0.002 14 0.001 59 |
0.003 70 0.002 75 |
2B 3B |
0.002 77 0.002 08 |
0.004 80 0.003 60 |
|
19/16-12或1.5625-12 |
UN |
|
0.001 70 0.001 27 |
0.002 95 0.002 20 |
2B 3B |
0.002 19 0.001 65 |
0.003 80 0.002 85 |
|
19/16-16或1.5625-16 |
UN |
|
0.001 50 0.001 13 |
0.002 60 0.001 95 |
2B 3B |
0.001 96 0.001 47 |
0.003 40 0.002 55 |
|
19/16-18或1.5625-18 |
UNEF |
|
0.001 44 0.001 07 |
0.002 50 0.001 85 |
2B 3B |
0.001 88 0.001 39 |
0.003 25 0.002 40 |
|
19/16-20或1.5625-20 |
UN |
|
0.001 39 0.001 04 |
0.002 40 0.001 80 |
2B 3B |
0.001 79 0.001 33 |
0.003 10 0.002 30 |
|
15/8-6或1.625-6 |
UN |
|
0.002 37 0.001 79 |
0.004 10 0.003 10 |
2B 3B |
0.003 09 0.002 31 |
0.005 35 0.004 00 |
|
15/8-8或1.625-8 |
UN |
|
0.002 14 0.001 62 |
0.003 70 0.002 80 |
2B 3B |
0.002 80 0.002 08 |
0.004 85 0.003 60 |
|
15/8-12或1.625-12 |
UN |
|
0.001 70 0.001 27 |
0.002 95 0.002 20 |
2B 3B |
0.002 19 0.001 65 |
0.003 80 0.002 85 |
|
15/8-16或1.625-16 |
UN |
|
0.001 50 0.001 13 |
0.002 60 0.001 95 |
2B 3B |
0.001 96 0.001 47 |
0.003 40 0.002 55 |
|
15/8-18或1.625-18 |
UNEF |
|
0.001 44 0.001 07 |
0.002 50 0.001 85 |
2B 3B |
0.001 88 0.001 30 |
0.003 25 0.002 40 |
|
15/8-20或1.625-20 |
UN |
|
0.001 39 0.001 04 |
0.002 40 0.001 80 |
2B 3B |
0.001 79 0.001 33 |
0.003 10 0.002 30 |
|
111/16-6或1.6875-6 |
UN |
|
0.002 40 0.001 79 |
0.004 15 0.003 10 |
2B 3B |
0.003 12 0.002 34 |
0.005 40 0.004 05 |
|
111/16-8或1.6875-8 |
UN |
|
0.002 17 0.001 62 |
0.003 75 0.002 80 |
2B 3B |
0.002 80 0.002 11 |
0.004 85 0.003 65 |
|
111/16-12或1.6875-12 |
UN |
|
0.001 73 0.001 30 |
0.003 00 0.002 25 |
2B 3B |
0.002 25 0.001 67 |
0.003 90 0.002 90 |
|
111/16-16或1.6875-16 |
UN |
|
0.001 53 0.001 15 |
0.002 65 0.002 00 |
2B 3B |
0.001 99 0.001 50 |
0.003 45 0.002 60 |
|
111/16-18或1.6875-18 |
UNEF |
|
0.001 47 0.001 10 |
0.002 55 0.001 90 |
2B 3B |
0.001 91 0.001 41 |
0.003 30 0.002 45 |
|
111/16-20或1.6875-20 |
UN |
|
0.001 39 0.001 04 |
0.002 40 0.001 80 |
2B 3B |
0.001 82 0.001 36 |
0.003 15 0.002 35 |
|
13/4-5或1.750-5 |
UNC |
|
0.003 87 0.002 57 0.001 93 |
0.006 70 0.004 45 0.003 35 |
1B 2B 3B |
0.005 02 0.003 35 0.002 51 |
0.008 70 0.005 80 0.004 35 |
|
13/4-6或1.750-6 |
UN |
|
0.002 40 0.001 82 |
0.004 15 0.003 15 |
2B 3B |
0.003 12 0.002 34 |
0.005 40 0.004 05 |
|
13/4-8或1.750-8 |
UN |
|
0.002 17 0.001 65 |
0.003 75 0.002 85 |
2B 3B |
0.002 83 0.002 14 |
0.004 90 0.003 70 |
|
13/4-12或1.750-12 |
UN |
|
0.001 73 0.001 30 |
0.003 00 0.002 25 |
2B 3B |
0.002 25 0.001 67 |
0.003 90 0.002 90 |
|
13/4-16或1.750-16 |
UN |
|
0.001 53 0.001 15 |
0.002 65 0.002 00 |
2B 3B |
0.001 99 0.001 50 |
0.003 45 0.002 60 |
|
13/4-20或1.750-20 |
UN |
|
0.001 39 0.001 04 |
0.002 40 0.001 80 |
2B 3B |
0.001 82 0.001 36 |
0.003 15 0.002 35 |
|
113/16-6或1.8125-6 |
UN |
|
0.002 42 0.001 82 |
0.004 20 0.003 15 |
2B 3B |
0.003 15 0.002 37 |
0.005 45 0.004 10 |
|
113/16-8或1.8125-8 |
UN |
|
0.002 19 0.001 65 |
0.003 80 0.002 85 |
2B 3B |
0.002 86 0.002 14 |
0.004 95 0.003 70 |
|
113/16-12或1.812 5-12 |
UN |
|
0.001 73 0.001 30 |
0.003 00 0.002 25 |
2B 3B |
0.002 25 0.001 67 |
0.003 90 0.002 90 |
|
113/16-16或1.812 5-16 |
UN |
|
0.001 53 0.001 15 |
0.002 65 0.002 00 |
2B 3B |
0.001 99 0.001 50 |
0.003 45 0.002 60 |
|
113/16-20或1.812 5-20 |
UN |
|
0.001 39 0.001 04 |
0.002 40 0.001 80 |
2B 3B |
0.001 82 0.001 36 |
0.003 15 0.002 35 |
|
17/8-6或1.875-6 |
UN |
|
0.002 42 0.001 82 |
0.004 20 0.003 15 |
2B 3B |
0.003 18 0.002 37 |
0.005 50 0.004 10 |
|
17/8-8或1.875-8 |
UN |
|
0.002 22 0.001 65 |
0.003 85 0.002 85 |
2B 3B |
0.002 89 0.002 17 |
0.005 00 0.003 75 |
|
17/8-12或1.875-12 |
UN |
|
0.001 73 0.001 30 |
0.003 00 0.002 25 |
2B 3B |
0.002 25 0.001 67 |
0.003 90 0.002 90 |
|
17/8-16或1.875-16 |
UN |
|
0.001 53 0.001 15 |
0.002 65 0.002 00 |
2B 3B |
0.001 99 0.001 50 |
0.003 45 0.002 60 |
|
17/8-20或1.875-20 |
UN |
|
0.001 39 0.001 04 |
0.002 40 0.001 80 |
2B 3B |
0.001 82 0.001 36 |
0.003 15 0.002 35 |
|
115/16-6或1.9375-6 |
UN |
|
0.002 45 0.001 85 |
0.004 25 0.003 20 |
2B 3B |
0.003 20 0.002 40 |
0.005 55 0.004 15 |
|
115/16-8或1.9375-8 |
UN |
|
0.002 22 0.001 67 |
0.003 85 0.002 90 |
2B 3B |
0.002 89 0.002 17 |
0.005 00 0.003 75 |
|
115/16-12或1.9375-12 |
UN |
|
0.001 76 0.001 30 |
0.003 05 0.002 25 |
2B 3B |
0.002 28 0.001 70 |
0.003 95 0.002 95 |
|
115/16-16或1.9375-16 |
UN |
|
0.001 56 0.001 15 |
0.002 70 0.002 00 |
2B 3B |
0.002 02 0.001 50 |
0.003 50 0.002 60 |
|
115/16-20或1.9375-20 |
UN |
|
0.001 41 0.001 07 |
0.002 45 0.001 85 |
2B 3B |
0.001 85 0.001 39 |
0.003 20 0.002 40 |
|
2-41/2或2.000-4.5 |
UNC |
|
0.004 13 0.002 74 0.002 05 |
0.007 15 0.004 75 0.003 55 |
1B 2B 3B |
0.005 37 0.003 58 0.002 68 |
0.009 30 0.006 20 0.004 65 |
|
2-6或2.000-6 |
UN |
|
0.002 48 0.001 85 |
0.004 30 0.003 20 |
2B 3B |
0.003 20 0.002 40 |
0.005 55 0.004 15 |
|
2-8或2.000-8 |
UN |
|
0.002 25 0.001 67 |
0.003 90 0.002 90 |
2B 3B |
0.002 92 0.002 19 |
0.005 05 0.003 80 |
|
2-12或2.000-12 |
UN |
|
0.001 76 0.001 30 |
0.003 05 0.002 25 |
2B 3B |
0.002 23 0.001 70 |
0.003 95 0.002 95 |
|
2-16或2.000-16 |
UN |
|
0.001 56 0.001 15 |
0.002 70 0.002 00 |
2B 3B |
0.002 02 0.001 50 |
0.003 50 0.002 60 |
|
2-20或2.000-20 |
UN |
|
0.001 41 0.001 07 |
0.002 45 0.001 85 |
2B 3B |
0.001 85 0.001 39 |
0.003 20 0.002 40 |
|
21/8-6或2.125-6 |
UN |
|
0.002 51 0.001 88 |
0.004 35 0.003 25 |
2B 3B |
0.003 26 0.002 42 |
0.005 65 0.004 20 |
|
21/8-8或2.125-8 |
UN |
|
0.002 28 0.001 70 |
0.003 95 0.002 95 |
2B 3B |
0.002 94 0.002 12 |
0.005 10 0.003 85 |
|
21/8-12或2.125-12 |
UN |
|
0.001 76 0.001 30 |
0.003 05 0.002 25 |
2B 3B |
0.002 28 0.001 70 |
0.003 95 0.002 95 |
|
21/8-16或2.125-16 |
UN |
|
0.001 56 0.001 15 |
0.002 70 0.002 00 |
2B 3B |
0.002 02 0.001 50 |
0.003 50 0.002 60 |
|
21/8-20或2.125-20 |
UN |
|
0.001 41 0.001 07 |
0.002 45 0.001 85 |
2B 3B |
0.001 85 0.001 39 |
0.003 20 0.002 40 |
|
21/4-41/2或2.250-4.5 |
UNC |
|
0.004 21 0.002 80 0.002 11 |
0.007 30 0.004 85 0.003 65 |
1B 2B 3B |
0.005 48 0.003 64 0.002 74 |
0.009 50 0.006 30 0.004 75 |
|
21/4-6或2.250-6 |
UN |
|
0.002 54 0.001 91 |
0.004 40 0.003 30 |
2B 3B |
0.003 29 0.002 14 |
0.005 70 0.004 25 |
|
21/4-8或2.250-8 |
UN |
|
0.002 31 0.001 73 |
0.004 00 0.003 00 |
2B 3B |
0.003 00 0.002 25 |
0.005 20 0.003 90 |
|
21/4-12或2.250-12 |
UN |
|
0.001 76 0.001 30 |
0.003 05 0.002 25 |
2B 3B |
0.002 28 0.001 70 |
0.003 95 0.002 95 |
|
21/4-16或2.250-16 |
UN |
|
0.001 56 0.001 15 |
0.002 70 0.002 00 |
2B 3B |
0.002 02 0.001 50 |
0.003 50 0.002 60 |
|
21/4-20或2.250-20 |
UN |
|
0.001 41 0.001 07 |
0.002 45 0.001 85 |
2B 3B |
0.001 85 0.001 39 |
0.003 20 0.002 40 |
|
23/8-6或2.375-6 |
UN |
|
0.002 57 0.001 91 |
0.004 45 0.003 30 |
2B 3B |
0.003 32 0.002 48 |
0.005 75 0.004 30 |
|
23/8-8或2.375-8 |
UN |
|
0.002 34 0.001 73 |
0.004 05 0.003 00 |
2B 3B |
0.003 03 0.002 28 |
0.005 25 0.003 95 |
|
23/8-12或2.375-12 |
UN |
|
0.001 79 0.001 33 |
0.003 10 0.002 30 |
2B 3B |
0.002 34 0.001 73 |
0.004 05 0.003 00 |
|
23/8-16或2.375-16 |
UN |
|
0.001 59 0.001 18 |
0.002 75 0.002 05 |
2B 3B |
0.002 08 0.001 55 |
0.003 60 0.002 70 |
|
23/8-20或2.375-20 |
UN |
|
0.001 47 0.001 10 |
0.002 55 0.001 90 |
2B 3B |
0.001 91 0.001 44 |
0.003 30 0.002 50 |
|
21/2-4或2.500-4 |
UNC |
|
0.004 47 0.003 00 0.002 25 |
0.007 75 0.005 20 0.003 90 |
1B 2B 3B |
0.005 83 0.003 90 0.002 92 |
0.010 10 0.006 75 0.005 05 |
|
21/2-6或2.500-6 |
UN |
|
0.002 60 0.001 93 |
0.004 50 0.003 35 |
2B 3B |
0.003 35 0.002 51 |
0.005 80 0.004 35 |
|
21/2-8或2.500-8 |
UN |
|
0.002 37 0.001 76 |
0.004 10 0.003 05 |
2B 3B |
0.003 06 0.002 31 |
0.005 30 0.004 00 |
|
21/2-12或2.500-12 |
UN |
|
0.001 79 0.001 38 |
0.003 10 0.002 30 |
2B 3B |
0.002 34 0.001 73 |
0.004 05 0.003 00 |