|
2级和3级标准系列统一螺纹的容隙和公差 in |
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|
公称 直径 |
牙数 n |
系列 代号 |
2A外螺纹容隙 es |
外螺纹 大径 公差 |
中径公差 |
内螺纹小径公差 |
||||
|
2A |
2B |
3A |
3B |
2B |
3B |
|||||
|
11/2 |
6 |
UNC |
0.0024 |
0.0182 |
0.008097 |
0.0105 |
0.0061 |
0.0079 |
0.0306 |
0.0200 |
|
11/2 |
8 |
UN |
0.0022 |
0.0150 |
0.007304 |
0.0095 |
0.0055 |
0.0071 |
0.0250 |
0.0150 |
|
11/2 |
12 |
UNF |
0.0019 |
0.0114 |
0.006416 |
0.0083 |
0.0048 |
0.0063 |
0.0181 |
0.0100 |
|
11/2 |
16 |
UN |
0.0016 |
0.0094 |
0.005204 |
0.0068 |
0.0039 |
0.0051 |
0.0141 |
0.0086 |
|
11/2 |
18 |
UNEF |
0.0015 |
0.0087 |
0.004962 |
0.0065 |
0.0037 |
0.0048 |
0.0127 |
0.0081 |
|
11/2 |
20 |
UN |
0.0014 |
0.0081 |
0.004759 |
0.0062 |
0.0036 |
0.0046 |
0.0115 |
0.0077 |
|
11/2 |
28 |
UN |
0.0013 |
0.0065 |
0.004194 |
0.0055 |
0.0031 |
0.0041 |
0.0084 |
0.0063 |
|
19/16 |
6 |
UN |
0.0024 |
0.0182 |
0.008159 |
0.0106 |
0.0061 |
0.0080 |
0.0306 |
0.0200 |
|
19/16 |
8 |
UN |
0.0022 |
0.0150 |
0.007366 |
0.0096 |
0.0055 |
0.0072 |
0.0250 |
0.0150 |
|
19/16 |
12 |
UN |
0.0018 |
0.0114 |
0.005902 |
0.0077 |
0.0044 |
0.0058 |
0.0181 |
0.0100 |
|
19/16 |
16 |
UN |
0.0016 |
0.0094 |
0.005228 |
0.0068 |
0.0039 |
0.0051 |
0.0141 |
0.0086 |
|
19/16 |
18 |
UNEF |
0.0015 |
0.0087 |
0.004986 |
0.0065 |
0.0037 |
0.0049 |
0.0127 |
0.0081 |
|
19/16 |
20 |
UN |
0.0014 |
0.0081 |
0.004783 |
0.0062 |
0.0036 |
0.0047 |
0.0115 |
0.0077 |
|
15/8 |
6 |
UN |
0.0025 |
0.0182 |
0.008219 |
0.0107 |
0.0062 |
0.0080 |
0.0306 |
0.0200 |
|
15/8 |
8 |
UN |
0.0022 |
0.0150 |
0.007426 |
0.0097 |
0.0056 |
0.0072 |
0.0250 |
0.0150 |
|
15/8 |
12 |
UN |
0.0018 |
0.0114 |
0.005925 |
0.0077 |
0.0044 |
0.0058 |
0.0181 |
0.0100 |
|
15/8 |
16 |
UN |
0.0016 |
0.0094 |
0.005251 |
0.0068 |
0.0039 |
0.0051 |
0.0141 |
0.0086 |
|
15/8 |
18 |
UNEF |
0.0015 |
0.0087 |
0.005009 |
0.0065 |
0.0038 |
0.0049 |
0.0127 |
0.0081 |
|
15/8 |
20 |
UN |
0.0014 |
0.0081 |
0.004806 |
0.0062 |
0.0036 |
0.0047 |
0.0115 |
0.0077 |
|
111/16 |
6 |
UN |
0.0025 |
0.0182 |
0.008278 |
0.0108 |
0.0062 |
0.0081 |
0.0306 |
0.0200 |
|
111/16 |
8 |
UN |
0.0022 |
0.0150 |
0.007485 |
0.0097 |
0.0056 |
0.0073 |
0.0250 |
0.0150 |
|
111/16 |
12 |
UN |
0.0018 |
0.0114 |
0.005947 |
0.0077 |
0.0045 |
0.0058 |
0.0181 |
0.0100 |
|
111/16 |
16 |
UN |
0.0016 |
0.0094 |
0.005273 |
0.0069 |
0.0040 |
0.0051 |
0.0141 |
0.0086 |
|
111/16 |
18 |
UNEF |
0.0015 |
0.0087 |
0.005031 |
0.0065 |
0.0038 |
0.0049 |
0.0127 |
0.0081 |
|
111/16 |
20 |
UN |
0.0014 |
0.0081 |
0.004828 |
0.0063 |
0.0036 |
0.0047 |
0.0115 |
0.0077 |
|
13/4 |
5 |
UNC |
0.0027 |
0.0205 |
0.008922 |
0.0116 |
0.0067 |
0.0087 |
0.0340 |
0.0240 |
|
13/4 |
6 |
UN |
0.0025 |
0.0182 |
0.008335 |
0.0108 |
0.0063 |
0.0081 |
0.0306 |
0.0200 |
|
13/4 |
8 |
UN |
0.0023 |
0.0150 |
0.007542 |
0.0098 |
0.0057 |
0.0074 |
0.0250 |
0.0150 |
|
13/4 |
12 |
UN |
0.0018 |
0.0114 |
0.005969 |
0.0078 |
0.0045 |
0.0058 |
0.0181 |
0.0100 |
|
13/4 |
16 |
UN |
0.0016 |
0.0094 |
0.005295 |
0.0069 |
0.0040 |
0.0052 |
0.0141 |
0.0086 |
|
13/4 |
20 |
UN |
0.0015 |
0.0081 |
0.004850 |
0.0063 |
0.0036 |
0.0047 |
0.0115 |
0.0077 |
|
113/16 |
6 |
UN |
0.0025 |
0.0182 |
0.008391 |
0.0109 |
0.0063 |
0.0082 |
0.0306 |
0.0200 |
|
113/16 |
8 |
UN |
0.0023 |
0.0150 |
0.007598 |
0.0099 |
0.0057 |
0.0074 |
0.0250 |
0.0150 |
|
113/16 |
12 |
UN |
0.0018 |
0.0114 |
0.005990 |
0.0078 |
0.0045 |
0.0058 |
0.0181 |
0.0100 |
|
113/16 |
16 |
UN |
0.0016 |
0.0094 |
0.005316 |
0.0069 |
0.0040 |
0.0052 |
0.141 |
0.0086 |
|
113/16 |
20 |
UN |
0.0015 |
0.0081 |
0.004871 |
0.0063 |
0.0037 |
0.0047 |
0.0115 |
0.0077 |
|
17/8 |
6 |
UN |
0.0025 |
0.0182 |
0.008447 |
0.0110 |
0.0063 |
0.0082 |
0.0306 |
0.0200 |
|
17/8 |
8 |
UN |
0.0023 |
0.0150 |
0.007654 |
0.0100 |
0.0057 |
0.0075 |
0.0250 |
0.0150 |
|
17/8 |
12 |
UN |
0.0018 |
0.0114 |
0.006011 |
0.0078 |
0.0045 |
0.0059 |
0.0181 |
0.0100 |
|
17/8 |
16 |
UN |
0.0016 |
0.0094 |
0.005337 |
0.0069 |
0.0040 |
0.0052 |
0.0141 |
0.0086 |
|
17/8 |
20 |
UN |
0.0015 |
0.0081 |
0.004892 |
0.0064 |
0.0037 |
0.0048 |
0.0115 |
0.0077 |
|
115/16 |
6 |
UN |
0.0026 |
0.0182 |
0.008501 |
0.0111 |
0.0064 |
0.0083 |
0.0306 |
0.0200 |
|
115/16 |
8 |
UN |
0.0023 |
0.0150 |
0.007708 |
0.0100 |
0.0058 |
0.0075 |
0.0250 |
0.0150 |
|
115/16 |
12 |
UN |
0.0018 |
0.0114 |
0.006031 |
0.0078 |
0.0045 |
0.0059 |
0.0181 |
0.0100 |
|
115/16 |
16 |
UN |
0.0016 |
0.0094 |
0.005357 |
0.0070 |
0.0040 |
0.0052 |
0.0141 |
0.0086 |
|
115/16 |
20 |
UN |
0.0015 |
0.0081 |
0.004912 |
0.0064 |
0.0037 |
0.0048 |
0.0115 |
0.0077 |
|
2 |
41/2 |
UNC |
0.0029 |
0.0220 |
0.009512 |
0.0124 |
0.0071 |
0.0093 |
0.0358 |
0.0267 |
|
2 |
6 |
UN |
0.0026 |
0.0182 |
0.008554 |
0.0111 |
0.0064 |
0.0083 |
0.0306 |
0.0200 |
|
2 |
8 |
UN |
0.0023 |
0.0150 |
0.007761 |
0.0101 |
0.0058 |
0.0076 |
0.0250 |
0.0150 |
|
2 |
12 |
UN |
0.0018 |
0.0114 |
0.006051 |
0.0079 |
0.0045 |
0.0059 |
0.0181 |
0.0100 |
|
2 |
16 |
UN |
0.0016 |
0.0094 |
0.005377 |
0.0070 |
0.0040 |
0.0052 |
0.0141 |
0.0086 |
|
2 |
20 |
UN |
0.0015 |
0.0081 |
0.004932 |
0.0064 |
0.0037 |
0.0048 |
0.0115 |
0.0077 |
|
21/8 |
6 |
UN |
0.0026 |
0.0182 |
0.008658 |
0.0113 |
0.0065 |
0.0084 |
0.0306 |
0.0200 |
|
21/8 |
8 |
UN |
0.0024 |
0.0150 |
0.007865 |
0.0102 |
0.0059 |
0.0077 |
0.0250 |
0.0150 |
|
21/8 |
12 |
UN |
0.0018 |
0.0114 |
0.006089 |
0.0079 |
0.0046 |
0.0059 |
0.0181 |
0.0100 |
|
21/8 |
16 |
UN |
0.0016 |
0.0094 |
0.005415 |
0.0070 |
0.0041 |
0.0053 |
0.0141 |
0.0086 |
|
21/8 |
20 |
UN |
0.0015 |
0.0081 |
0.004970 |
0.0065 |
0.0037 |
0.0048 |
0.0115 |
0.0077 |
|
21/4 |
41/2 |
UNC |
0.0029 |
0.0220 |
0.009719 |
0.0126 |
0.0073 |
0.0095 |
0.0358 |
0.0267 |
|
21/4 |
6 |
UN |
0.0026 |
0.0182 |
0.008759 |
0.0114 |
0.0066 |
0.0085 |
0.0306 |
0.0200 |
|
21/4 |
8 |
UN |
0.0024 |
0.0150 |
0.007966 |
0.0104 |
0.0060 |
0.0078 |
0.0250 |
0.0150 |
|
21/4 |
12 |
UN |
0.0018 |
0.0114 |
0.006127 |
0.0080 |
0.0046 |
0.0060 |
0.0181 |
0.0100 |
|
21/4 |
16 |
UN |
0.0016 |
0.0094 |
0.005453 |
0.0071 |
0.0041 |
0.0053 |
0.0141 |
0.0086 |
|
21/4 |
20 |
UN |
0.0015 |
0.0081 |
0.005008 |
0.0065 |
0.0038 |
0.0049 |
0.0115 |
0.0077 |
|
23/8 |
6 |
UN |
0.0027 |
0.0182 |
0.008856 |
0.0115 |
0.0066 |
0.0086 |
0.0306 |
0.0200 |
|
23/8 |
8 |
UN |
0.0024 |
0.0150 |
0.008063 |
0.0105 |
0.0060 |
0.0079 |
0.0250 |
0.0150 |
|
23/8 |
12 |
UN |
0.0018 |
0.0114 |
0.006162 |
0.0080 |
0.0046 |
0.0060 |
0.0181 |
0.0100 |
|
23/8 |
16 |
UN |
0.0016 |
0.0094 |
0.005488 |
0.0071 |
0.0041 |
0.0054 |
0.0141 |
0.0086 |
|
23/8 |
20 |
UN |
0.0015 |
0.0081 |
0.005043 |
0.0066 |
0.0038 |
0.0049 |
0.0115 |
0.0077 |
|
21/2 |
4 |
UNC |
0.0031 |
0.0238 |
0.010361 |
0.0135 |
0.0078 |
0.0101 |
0.0375 |
0.0300 |
|
21/2 |
6 |
UN |
0.0027 |
0.0182 |
0.008951 |
0.0116 |
0.0067 |
0.0087 |
0.0306 |
0.0200 |
|
21/2 |
8 |
UN |
0.0024 |
0.0150 |
0.008158 |
0.0106 |
0.0061 |
0.0080 |
0.0250 |
0.0150 |
|
21/2 |
12 |
UN |
0.0019 |
0.0114 |
0.006197 |
0.0081 |
0.0046 |
0.0060 |
0.0181 |
0.0100 |
|
21/2 |
16 |
UN |
0.0017 |
0.0094 |
0.005523 |
0.0072 |
0.0041 |
0.0054 |
0.0141 |
0.0086 |
|
21/2 |
20 |
UN |
0.0015 |
0.0081 |
0.005078 |
0.0066 |
0.0038 |
0.0050 |
0.0115 |
0.0077 |
|
25/8 |
6 |
UN |
0.0027 |
0.0182 |
0.009042 |
0.0118 |
0.0068 |
0.0088 |
0.0306 |
0.0200 |
|
25/8 |
8 |
UN |
0.0025 |
0.0150 |
0.008249 |
0.0107 |
0.0062 |
0.0080 |
0.0250 |
0.0150 |
|
25/8 |
12 |
UN |
0.0019 |
0.0114 |
0.006230 |
0.0081 |
0.0047 |
0.0061 |
0.0181 |
0.0100 |
|
25/8 |
16 |
UN |
0.00017 |
0.0094 |
0.005556 |
0.0072 |
0.0042 |
0.0054 |
0.0141 |
0.0086 |
|
25/8 |
20 |
UN |
0.0015 |
0.0081 |
0.005111 |
0.0066 |
0.0038 |
0.0050 |
0.0115 |
0.0077 |
|
23/4 |
4 |
UNC |
0.0032 |
0.0238 |
0.010542 |
0.0137 |
0.0079 |
0.0103 |
0.0375 |
0.0300 |
|
23/4 |
6 |
UN |
0.0027 |
0.0182 |
0.009132 |
0.0119 |
0.0068 |
0.0089 |
0.0306 |
0.0200 |
|
23/4 |
8 |
UN |
0.0025 |
0.0150 |
0.008339 |
0.0108 |
0.0063 |
0.0081 |
0.0250 |
0.0150 |
|
23/4 |
12 |
UN |
0.0019 |
0.0114 |
0.006263 |
0.0081 |
0.0047 |
0.0061 |
0.0181 |
0.0100 |
|
23/4 |
16 |
UN |
0.0017 |
0.0094 |
0.005589 |
0.0073 |
0.0042 |
0.0054 |
0.0141 |
0.0086 |
|
23/4 |
20 |
UN |
0.0015 |
0.0081 |
0.005144 |
0.0067 |
0.0039 |
0.0050 |
0.0115 |
0.0077 |
|
27/8 |
6 |
UN |
0.0028 |
0.0182 |
0.009219 |
0.0120 |
0.0069 |
0.0090 |
0.0306 |
0.0200 |
|
27/8 |
8 |
UN |
0.0025 |
0.0150 |
0.008426 |
0.0110 |
0.0063 |
0.0082 |
0.0250 |
0.0150 |
|
27/8 |
12 |
UN |
0.0019 |
0.0114 |
0.006294 |
0.0082 |
0.0047 |
0.0061 |
0.0181 |
0.0100 |
|
27/8 |
16 |
UN |
0.0017 |
0.0094 |
0.005620 |
0.0073 |
0.0042 |
0.0055 |
0.0141 |
0.0086 |
|
27/8 |
20 |
UN |
0.0016 |
0.0081 |
0.005175 |
0.0067 |
0.0039 |
0.0050 |
0.0115 |
0.0077 |
|
3 |
4 |
UNC |
0.0032 |
0.0238 |
0.010714 |
0.0139 |
0.0080 |
0.0104 |
0.0375 |
0.0300 |
|
3 |
6 |
UN |
0.0028 |
0.0182 |
0.009304 |
0.0121 |
0.0070 |
0.0091 |
0.0306 |
0.0200 |
|
3 |
8 |
UN |
0.0026 |
0.0150 |
0.008511 |
0.0111 |
0.0064 |
0.0083 |
0.0250 |
0.0150 |
|
3 |
12 |
UN |
0.0019 |
0.0114 |
0.006324 |
1.0082 |
0.0047 |
0.0062 |
0.0181 |
0.0100 |
|
3 |
16 |
UN |
0.0017 |
0.0094 |
0.005650 |
0.0073 |
0.0042 |
0.0055 |
0.0141 |
0.0086 |
|
3 |
20 |
UN |
0.0016 |
0.0081 |
0.005205 |
0.0068 |
0.0039 |
0.0051 |
0.0115 |
0.0077 |
|
31/8 |
6 |
UN |
0.0028 |
0.0182 |
0.009388 |
0.0122 |
0.0070 |
0.0092 |
0.0306 |
0.0200 |
|
31/8 |
8 |
UN |
0.0026 |
0.0150 |
0.008595 |
0.0112 |
0.0064 |
0.0084 |
0.0250 |
0.0150 |
|
31/8 |
12 |
UN |
0.0019 |
0.0114 |
0.006354 |
0.0083 |
0.0048 |
0.0062 |
0.0181 |
0.0100 |
|
31/8 |
16 |
UN |
0.0017 |
0.0094 |
0.005680 |
0.0074 |
0.0043 |
0.0055 |
0.0141 |
0.0086 |
|
31/4 |
4 |
UNC |
0.0033 |
0.0238 |
0.010879 |
0.0141 |
0.0082 |
0.0106 |
0.0375 |
0.0300 |
|
31/4 |
6 |
UN |
0.0028 |
0.0182 |
0.009469 |
0.0123 |
0.0071 |
0.0092 |
0.0306 |
0.0200 |
|
31/4 |
8 |
UN |
0.0026 |
0.0150 |
0.008676 |
0.0113 |
0.0065 |
0.0085 |
0.0250 |
0.0150 |
|
31/4 |
12 |
UN |
0.0019 |
0.0114 |
0.006383 |
0.0083 |
0.0048 |
0.0062 |
0.0181 |
0.0100 |
|
31/4 |
16 |
UN |
0.0017 |
0.0094 |
0.005709 |
0.0074 |
0.0043 |
0.0056 |
0.0141 |
0.0086 |
|
33/8 |
6 |
UN |
0.0029 |
0.0182 |
0.009549 |
0.0124 |
0.0072 |
0.0093 |
0.0306 |
0.0200 |
|
33/8 |
8 |
UN |
0.0026 |
0.0150 |
0.008756 |
0.0114 |
0.0066 |
0.0085 |
0.0250 |
0.0150 |
|
33/8 |
12 |
UN |
0.0019 |
0.0114 |
0.006411 |
0.0083 |
0.0048 |
0.0063 |
0.0181 |
0.0100 |
|
33/8 |
16 |
UN |
0.0017 |
0.0094 |
0.005737 |
0.0075 |
0.0043 |
0.0056 |
0.0141 |
0.0086 |
|
31/2 |
4 |
UNC |
0.0033 |
0.0238 |
0.011036 |
0.0143 |
0.0083 |
0.0108 |
0.0375 |
0.0300 |
|
31/2 |
6 |
UN |
0.0029 |
0.0182 |
0.009626 |
0.0125 |
0.0072 |
0.0094 |
0.0306 |
0.0200 |
|
31/2 |
8 |
UN |
0.0026 |
0.0150 |
0.008833 |
0.0115 |
0.0066 |
0.0086 |
0.0250 |
0.0150 |
|
31/2 |
12 |
UN |
0.0019 |
0.0114 |
0.006438 |
0.0084 |
0.0048 |
0.0063 |
0.0181 |
0.0100 |
|
31/2 |
16 |
UN |
0.0017 |
0.0094 |
0.005764 |
0.0075 |
0.0043 |
0.0056 |
0.0141 |
0.0086 |
|
35/8 |
6 |
UN |
0.0029 |
0.0182 |
0.009703 |
0.0126 |
0.0073 |
0.0095 |
0.0306 |
0.0200 |
|
35/8 |
8 |
UN |
0.0027 |
0.0150 |
0.008910 |
0.0116 |
0.0067 |
0.0087 |
0.0250 |
0.0150 |
|
35/8 |
12 |
UN |
0.0019 |
0.0114 |
0.006465 |
0.0084 |
0.0048 |
0.0063 |
0.0181 |
0.0100 |
|
35/8 |
16 |
UN |
0.0017 |
0.0094 |
0.005791 |
0.0075 |
0.0043 |
0.0056 |
0.0141 |
0.0086 |
|
33/4 |
4 |
UNC |
0.0034 |
0.0238 |
0.011188 |
0.0145 |
0.0084 |
0.0109 |
0.0375 |
0.0300 |
|
33/4 |
6 |
UN |
0.0029 |
0.0182 |
0.009778 |
0.0127 |
0.0073 |
0.0095 |
0.0306 |
0.0200 |
|
33/4 |
8 |
UN |
0.0027 |
0.0150 |
0.008985 |
0.0117 |
0.0067 |
0.0088 |
0.0250 |
0.0150 |
|
33/4 |
12 |
UN |
0.0019 |
0.0114 |
0.006491 |
0.0084 |
0.0049 |
0.0063 |
0.0181 |
0.0100 |
|
33/4 |
16 |
UN |
0.0017 |
0.0094 |
0.005817 |
0.0076 |
0.0044 |
0.0057 |
0.0141 |
0.0086 |
|
37/8 |
6 |
UN |
0.0030 |
0.0182 |
0.009852 |
0.0128 |
0.0074 |
0.0096 |
0.0306 |
0.0200 |
|
37/8 |
8 |
UN |
0.0027 |
0.0150 |
0.009059 |
0.0118 |
0.0068 |
0.0088 |
0.0250 |
0.0150 |
|
37/8 |
12 |
UN |
0.0020 |
0.0114 |
0.006517 |
0.0085 |
0.0049 |
0.0064 |
0.0181 |
0.0100 |
|
37/8 |
16 |
UN |
0.0018 |
0.0094 |
0.005843 |
0.0076 |
0.0044 |
0.0057 |
0.0141 |
0.0086 |
|
4 |
4 |
UNC |
0.0034 |
0.0238 |
0.011334 |
0.0147 |
0.0085 |
0.0111 |
0.0375 |
0.0300 |
|
4 |
6 |
UN |
0.0030 |
0.0182 |
0.009924 |
0.0129 |
0.0074 |
0.0097 |
0.0306 |
0.0200 |
|
4 |
8 |
UN |
0.0027 |
0.0150 |
0.009131 |
0.0119 |
0.0068 |
0.0089 |
0.0250 |
0.0150 |
|
4 |
12 |
UN |
0.0020 |
0.0114 |
0.006542 |
0.0085 |
0.0049 |
0.0064 |
0.0181 |
0.0100 |
|
4 |
16 |
UN |
0.0018 |
0.0094 |
0.005868 |
0.0076 |
0.0044 |
0.0057 |
0.0141 |
0.0086 |
|
41/8 |
6 |
UN |
0.0030 |
0.0182 |
0.009996 |
0.0130 |
0.0075 |
0.0097 |
0.0306 |
0.0200 |
|
41/8 |
8 |
UN |
0.0028 |
0.0150 |
0.009203 |
0.0120 |
0.0069 |
0.0090 |
0.0250 |
0.0150 |
|
41/8 |
12 |
UN |
0.0020 |
0.0114 |
0.006567 |
0.0085 |
0.0049 |
0.0064 |
0.0181 |
0.0100 |
|
41/8 |
16 |
UN |
0.0018 |
0.0094 |
0.005893 |
0.0077 |
0.0044 |
0.0057 |
0.0141 |
0.0086 |
|
注：1.内螺纹大径最大可延伸至H/24削平高度处； 2.外螺纹小径最小可延伸至H/8削平高度处。 |
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