|
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 |
|||||
|
0 |
80 |
UNF |
0.0005 |
0.0032 |
0.001762 |
0.0023 |
0.0013 |
0.0017 |
0.0049 |
0.0049 |
|
1 |
64 |
UNC |
0.0006 |
0.0038 |
0.001970 |
0.0026 |
0.0015 |
0.0019 |
0.0061 |
0.0061 |
|
1 |
72 |
UNF |
0.0006 |
0.0035 |
0.001899 |
0.0025 |
0.0014 |
0.0019 |
0.0054 |
0.0054 |
|
2 |
56 |
UNC |
0.0006 |
0.0041 |
0.002127 |
0.0028 |
0.0016 |
0.0021 |
0.0070 |
0.0070 |
|
2 |
64 |
UNF |
0.0006 |
0.0038 |
0.002040 |
0.0027 |
0.0015 |
0.0020 |
0.0061 |
0.0061 |
|
3 |
48 |
UNC |
0.0007 |
0.0045 |
0.002302 |
0.0030 |
0.0017 |
0.0022 |
0.0081 |
0.0081 |
|
3 |
56 |
UNF |
0.0007 |
0.0041 |
0.002191 |
0.0028 |
0.0016 |
0.0021 |
0.0068 |
0.0068 |
|
4 |
40 |
UNC |
0.0008 |
0.0051 |
0.002507 |
0.0033 |
0.0019 |
0.0024 |
0.0090 |
0.0090 |
|
4 |
48 |
UNF |
0.0007 |
0.0045 |
0.002361 |
0.0031 |
0.0018 |
0.0023 |
0.0074 |
0.0074 |
|
5 |
40 |
UNC |
0.0008 |
0.0051 |
0.002562 |
0.0033 |
0.0019 |
0.0025 |
0.0083 |
0.0083 |
|
5 |
44 |
UNF |
0.0007 |
0.0048 |
0.002484 |
0.0032 |
0.0019 |
0.0024 |
0.0075 |
0.0075 |
|
6 |
32 |
UNC |
0.0008 |
0.0060 |
0.002820 |
0.0037 |
0.0021 |
0.0027 |
0.0098 |
0.0097 |
|
6 |
40 |
UNF |
0.0008 |
0.0051 |
0.002614 |
0.0034 |
0.0020 |
0.0025 |
0.0077 |
0.0077 |
|
8 |
32 |
UNC |
0.0009 |
0.0060 |
0.002916 |
0.0038 |
0.0022 |
0.0028 |
0.0087 |
0.0086 |
|
8 |
36 |
UNF |
0.0008 |
0.0055 |
0.002804 |
0.0036 |
0.0021 |
0.0027 |
0.0077 |
0.0077 |
|
10 |
24 |
UNC |
0.0010 |
0.0072 |
0.003319 |
0.0043 |
0.0025 |
0.0032 |
0.0106 |
0.0106 |
|
10 |
32 |
UNF |
0.0009 |
0.0060 |
0.003004 |
0.0039 |
0.0023 |
0.0029 |
0.0079 |
0.0079 |
|
12 |
24 |
UNC |
0.0010 |
0.0072 |
0.003400 |
0.0044 |
0.0026 |
0.0033 |
0.0098 |
0.0098 |
|
12 |
28 |
UNF |
0.0010 |
0.0065 |
0.003224 |
0.0042 |
0.0024 |
0.0031 |
0.0084 |
0.0084 |
|
12 |
32 |
UNEF |
0.0010 |
0.0060 |
0.003183 |
0.0041 |
0.0024 |
0.0031 |
0.0074 |
0.0073 |
|
1/4 |
20 |
UNC |
0.0011 |
0.0081 |
0.003731 |
0.0049 |
0.0028 |
0.0036 |
0.0115 |
0.0108 |
|
1/4 |
28 |
UNF |
0.0010 |
0.0065 |
0.003322 |
0.0043 |
0.0025 |
0.0032 |
0.0084 |
0.0077 |
|
1/4 |
32 |
UNEF |
0.0010 |
0.0060 |
0.003228 |
0.0042 |
0.0024 |
0.0031 |
0.0074 |
0.0067 |
|
5/16 |
18 |
UNC |
0.0012 |
0.0087 |
0.004041 |
0.0053 |
0.0030 |
0.0039 |
0.0127 |
0.0106 |
|
5/16 |
20 |
UN |
0.0012 |
0.0081 |
0.004060 |
0.0053 |
0.0030 |
0.0040 |
0.0115 |
0.0096 |
|
5/16 |
24 |
UNF |
0.0011 |
0.0072 |
0.003660 |
0.0048 |
0.0027 |
0.0036 |
0.0097 |
0.0080 |
|
5/16 |
28 |
UN |
0.0010 |
0.0065 |
0.003495 |
0.0045 |
0.0026 |
0.0034 |
0.0084 |
0.0069 |
|
5/16 |
32 |
UNEF |
0.0010 |
0.0060 |
0.003301 |
0.0043 |
0.0025 |
0.0032 |
0.0074 |
0.0059 |
|
3/8 |
16 |
UNC |
0.0013 |
0.0094 |
0.004363 |
0.0057 |
0.0033 |
0.0043 |
0.0141 |
0.0109 |
|
3/8 |
20 |
UN |
0.0012 |
0.0081 |
0.004124 |
0.0054 |
0.0031 |
0.0040 |
0.0115 |
0.0088 |
|
3/8 |
24 |
UNF |
0.0011 |
0.0072 |
0.003804 |
0.0049 |
0.0029 |
0.0037 |
0.0097 |
0.0073 |
|
3/8 |
28 |
UN |
0.0011 |
0.0065 |
0.003559 |
0.0046 |
0.0027 |
0.0035 |
0.0084 |
0.0063 |
|
3/8 |
32 |
UNEF |
0.0010 |
0.0060 |
0.003365 |
0.0044 |
0.0025 |
0.0033 |
0.0074 |
0.0057 |
|
7/16 |
14 |
UNC |
0.0014 |
0.0103 |
0.004713 |
0.0061 |
0.0035 |
0.0046 |
0.0158 |
0.0115 |
|
7/16 |
16 |
UN |
0.0014 |
0.0094 |
0.004626 |
0.0060 |
0.0035 |
0.0045 |
0.0141 |
0.0102 |
|
7/16 |
20 |
UNF |
0.0013 |
0.0081 |
0.004167 |
0.0054 |
0.0031 |
0.0041 |
0.0115 |
0.0082 |
|
7/16 |
28 |
UN |
0.0011 |
0.0065 |
0.003616 |
0.0047 |
0.0027 |
0.0035 |
0.0084 |
0.0063 |
|
7/16 |
32 |
UNEF |
0.0010 |
0.0060 |
0.003422 |
0.0044 |
0.0026 |
0.0033 |
0.0074 |
0.0057 |
|
1/2 |
13 |
UNC |
0.0015 |
0.0109 |
0.004965 |
0.0065 |
0.0037 |
0.0048 |
0.0169 |
0.0117 |
|
1/2 |
16 |
UN |
0.0014 |
0.0094 |
0.004678 |
0.0061 |
0.0035 |
0.0046 |
0.0141 |
0.0097 |
|
1/2 |
20 |
UNF |
0.0013 |
0.0081 |
0.004288 |
0.0056 |
0.0032 |
0.0042 |
0.0115 |
0.0078 |
|
1/2 |
28 |
UNEF |
0.0011 |
0.0065 |
0.003668 |
0.0048 |
0.0028 |
0.0036 |
0.0084 |
0.0063 |
|
1/2 |
32 |
UN |
0.0010 |
0.0060 |
0.003474 |
0.0045 |
0.0026 |
0.0034 |
0.0074 |
0.0057 |
|
9/16 |
12 |
UNC |
0.0016 |
0.0114 |
0.005225 |
0.0068 |
0.0039 |
0.0051 |
0.0181 |
0.0120 |
|
9/16 |
16 |
UN |
0.0014 |
0.0094 |
0.004725 |
0.0061 |
0.0035 |
0.0046 |
0.0141 |
0.0093 |
|
9/16 |
18 |
UNF |
0.0014 |
0.0087 |
0.004547 |
0.0059 |
0.0034 |
0.0044 |
0.0127 |
0.0082 |
|
9/16 |
20 |
UN |
0.0013 |
0.0081 |
0.004280 |
0.0056 |
0.0032 |
0.0042 |
0.0115 |
0.0077 |
|
9/16 |
24 |
UNEF |
0.0012 |
0.0072 |
0.003960 |
0.0051 |
0.0030 |
0.0039 |
0.0097 |
0.0070 |
|
9/16 |
28 |
UN |
0.0011 |
0.0065 |
0.003715 |
0.0048 |
0.0028 |
0.0036 |
0.0084 |
0.0063 |
|
9/16 |
32 |
UN |
0.0011 |
0.0060 |
0.003521 |
0.0046 |
0.0026 |
0.0034 |
0.0074 |
0.0057 |
|
5/8 |
11 |
UNC |
0.0017 |
0.0121 |
0.005501 |
0.0072 |
0.0041 |
0.0054 |
0.0194 |
0.0125 |
|
5/8 |
12 |
UN |
0.0016 |
0.0114 |
0.005443 |
0.0071 |
0.0041 |
0.0053 |
0.0181 |
0.0115 |
|
5/8 |
16 |
UN |
0.0014 |
0.0094 |
0.004769 |
0.0062 |
0.0036 |
0.0046 |
0.0141 |
0.0089 |
|
5/8 |
18 |
UNF |
0.0014 |
0.0087 |
0.004652 |
0.0060 |
0.0035 |
0.0045 |
0.0127 |
0.0081 |
|
5/8 |
20 |
UN |
0.0013 |
0.0081 |
0.004324 |
0.0056 |
0.0032 |
0.0042 |
0.0115 |
0.0077 |
|
5/8 |
24 |
UNEF |
0.0012 |
0.0072 |
0.004004 |
0.0052 |
0.0030 |
0.0039 |
0.0097 |
0.0070 |
|
5/8 |
28 |
UN |
0.0011 |
0.0065 |
0.003759 |
0.0049 |
0.0028 |
0.0037 |
0.0084 |
0.0063 |
|
5/8 |
32 |
UN |
0.0011 |
0.0060 |
0.003565 |
0.0046 |
0.0027 |
0.0035 |
0.0074 |
0.0057 |
|
11/16 |
12 |
UN |
0.0016 |
0.0114 |
0.005485 |
0.0071 |
0.0041 |
0.0053 |
0.0181 |
0.0112 |
|
11/16 |
16 |
UN |
0.0014 |
0.0094 |
0.004811 |
0.0063 |
0.0036 |
0.0047 |
0.0141 |
0.0086 |
|
11/16 |
20 |
UN |
0.0013 |
0.0081 |
0.004366 |
0.0057 |
0.0033 |
0.0043 |
0.0115 |
0.0077 |
|
11/16 |
24 |
UNEF |
0.0012 |
0.0072 |
0.004046 |
0.0053 |
0.0030 |
0.0039 |
0.0097 |
0.0070 |
|
11/16 |
28 |
UN |
0.0011 |
0.0065 |
0.003801 |
0.0049 |
0.0029 |
0.0037 |
0.0084 |
0.0063 |
|
11/16 |
32 |
UN |
0.0011 |
0.0060 |
0.003607 |
0.0047 |
0.0027 |
0.0035 |
0.0074 |
0.0057 |
|
3/4 |
10 |
UNC |
0.0018 |
0.0129 |
0.005894 |
0.0077 |
0.0044 |
0.0057 |
0.0210 |
0.0128 |
|
3/4 |
12 |
UN |
0.0017 |
0.0114 |
0.005524 |
0.0072 |
0.0041 |
0.0054 |
0.0181 |
0.0109 |
|
3/4 |
16 |
UNF |
0.0015 |
0.0094 |
0.005024 |
0.0065 |
0.0038 |
0.0049 |
0.0141 |
0.0086 |
|
3/4 |
20 |
UNEF |
0.0013 |
0.0081 |
0.004405 |
0.0057 |
0.0033 |
0.0043 |
0.0115 |
0.0077 |
|
3/4 |
28 |
UN |
0.0012 |
0.0065 |
0.003840 |
0.0050 |
0.0029 |
0.0037 |
.00084 |
0.0063 |
|
3/4 |
32 |
UN |
0.0011 |
0.0060 |
0.003646 |
0.0047 |
0.0027 |
0.0036 |
0.0074 |
0.0057 |
|
13/16 |
12 |
UN |
0.0017 |
0.0114 |
0.005561 |
0.0072 |
0.0042 |
0.0054 |
0.0181 |
0.0106 |
|
13/16 |
16 |
UN |
0.0015 |
0.0094 |
0.004887 |
0.0064 |
0.0037 |
0.0048 |
0.0141 |
0.0086 |
|
13/16 |
20 |
UNEF |
0.0013 |
0.0081 |
0.004442 |
0.0058 |
0.0033 |
0.0043 |
0.0115 |
0.0077 |
|
13/16 |
28 |
UN |
0.0012 |
0.0065 |
0.003877 |
0.0050 |
0.0029 |
0.0038 |
0.0084 |
0.0063 |
|
13/16 |
32 |
UN |
0.0011 |
0.0060 |
0.003683 |
0.0048 |
0.0028 |
0.0036 |
0.0074 |
0.0057 |
|
7/8 |
9 |
UNC |
0.0019 |
0.0139 |
0.006305 |
0.0082 |
0.0047 |
0.0061 |
0.0228 |
0.0134 |
|
7/8 |
12 |
UN |
0.0017 |
0.0114 |
0.005596 |
0.0073 |
0.0042 |
0.0055 |
0.0181 |
0.0104 |
|
7/8 |
14 |
UNF |
0.0016 |
0.0103 |
0.005420 |
0.0070 |
0.0041 |
0.0053 |
0.0158 |
0.0090 |
|
7/8 |
16 |
UN |
0.0015 |
0.0094 |
0.004922 |
0.0064 |
0.0037 |
0.0048 |
0.0141 |
0.0086 |
|
7/8 |
20 |
UNEF |
0.0013 |
0.0081 |
0.004477 |
0.0058 |
0.0034 |
0.0044 |
0.0115 |
0.0077 |
|
7/8 |
28 |
UN |
0.0012 |
0.0065 |
0.003912 |
0.0051 |
0.0029 |
0.0038 |
0.0084 |
0.0063 |
|
7/8 |
32 |
UN |
0.0011 |
0.0060 |
0.003718 |
0.0048 |
0.0028 |
0.0036 |
0.0074 |
0.0057 |
|
15/16 |
12 |
UN |
0.0017 |
0.0114 |
0.005629 |
0.0073 |
0.0042 |
0.0055 |
0.0181 |
0.0102 |
|
15/16 |
16 |
UN |
0.0015 |
0.0094 |
0.004955 |
0.0064 |
0.0037 |
0.0048 |
0.0141 |
0.0086 |
|
15/16 |
20 |
UNEF |
0.0014 |
0.0081 |
0.004510 |
0.0059 |
0.0034 |
0.0044 |
0.0115 |
0.0077 |
|
15/16 |
28 |
UN |
0.0012 |
0.0065 |
0.003945 |
0.0051 |
0.0030 |
0.0038 |
0.0084 |
0.0063 |
|
15/16 |
32 |
UN |
0.0011 |
0.0060 |
0.003751 |
0.0049 |
0.0028 |
0.0037 |
0.0074 |
0.0057 |
|
1 |
8 |
UNC |
0.0020 |
0.0150 |
0.006750 |
0.0088 |
0.0051 |
0.0066 |
0.0250 |
0.0150 |
|
1 |
12 |
UNF |
0.0018 |
0.0114 |
0.005862 |
0.0076 |
0.0044 |
0.0057 |
0.0181 |
0.0100 |
|
1 |
16 |
UN |
0.0015 |
0.0094 |
0.004987 |
0.0065 |
0.0037 |
0.0049 |
0.0141 |
0.0086 |
|
1 |
20 |
UNEF |
0.0014 |
0.0081 |
0.004542 |
0.0059 |
0.0034 |
0.0044 |
0.0115 |
0.0077 |
|
1 |
28 |
UN |
0.0012 |
0.0065 |
0.003977 |
0.0052 |
0.0030 |
0.0039 |
0.0084 |
0.0063 |
|
1 |
32 |
UN |
0.0011 |
0.0060 |
0.003783 |
0.0049 |
0.0028 |
0.0037 |
0.0074 |
0.0057 |
|
11/16 |
8 |
UN |
0.0020 |
0.0150 |
0.006827 |
0.0089 |
0.0051 |
0.0067 |
0.0250 |
0.0150 |
|
11/16 |
12 |
UN |
0.0017 |
0.0114 |
0.005692 |
0.0074 |
0.0043 |
0.0055 |
0.0181 |
0.0100 |
|
11/16 |
16 |
UN |
0.0015 |
0.0094 |
0.005018 |
0.0065 |
0.0038 |
0.0049 |
0.0141 |
0.0086 |
|
11/16 |
18 |
UNEF |
0.0014 |
0.0087 |
0.004776 |
0.0062 |
0.0036 |
0.0047 |
0.0127 |
0.0081 |
|
11/16 |
20 |
UN |
0.0014 |
0.0081 |
0.004573 |
0.0059 |
0.0034 |
0.0045 |
0.0115 |
0.0077 |
|
11/16 |
28 |
UN |
0.0012 |
0.0065 |
0.004008 |
0.0052 |
0.0030 |
0.0039 |
0.0084 |
0.0063 |
|
11/8 |
7 |
UNC |
0.0022 |
0.0164 |
0.007250 |
0.0094 |
0.0054 |
0.0071 |
0.0276 |
0.0171 |
|
11/8 |
8 |
UN |
0.0021 |
0.0150 |
0.006901 |
0.0090 |
0.0052 |
0.0067 |
0.0250 |
0.0150 |
|
11/8 |
12 |
UNF |
0.0018 |
0.0114 |
0.006013 |
0.0078 |
0.0045 |
0.0059 |
0.0181 |
0.0100 |
|
11/8 |
16 |
UN |
0.0015 |
0.0094 |
0.005047 |
0.0066 |
0.0038 |
0.0049 |
0.0141 |
0.0086 |
|
11/8 |
18 |
UNEF |
0.0014 |
0.0087 |
0.004805 |
0.0062 |
0.0036 |
0.0047 |
0.0127 |
0.0081 |
|
11/8 |
20 |
UN |
0.0014 |
0.0081 |
0.004602 |
0.0060 |
0.0035 |
0.0045 |
0.0115 |
0.0077 |
|
11/8 |
28 |
UN |
0.0012 |
0.0065 |
0.004037 |
0.0052 |
0.0030 |
0.0039 |
0.0084 |
0.0063 |
|
13/16 |
8 |
UN |
0.0021 |
0.0150 |
0.006973 |
0.0091 |
0.0052 |
0.0068 |
0.0250 |
0.0150 |
|
13/16 |
12 |
UN |
0.0017 |
0.0114 |
0.005749 |
0.0075 |
0.0043 |
0.0056 |
0.0181 |
0.0100 |
|
13/16 |
16 |
UN |
0.0015 |
0.0094 |
0.005075 |
0.0066 |
0.0038 |
0.0049 |
0.0141 |
0.0086 |
|
13/16 |
18 |
UNEF |
0.0014 |
0.0087 |
0.004833 |
0.0063 |
0.0036 |
0.0047 |
0.0127 |
0.0081 |
|
13/16 |
20 |
UN |
0.0014 |
0.0081 |
0.004630 |
0.0060 |
0.0035 |
0.0045 |
0.0115 |
0.0077 |
|
13/16 |
28 |
UN |
0.0012 |
0.0065 |
0.004065 |
0.0053 |
0.0030 |
0.0040 |
0.0084 |
0.0063 |
|
11/4 |
7 |
UNC |
0.0022 |
0.0164 |
0.007392 |
0.0096 |
0.0055 |
0.0072 |
0.0276 |
0.0171 |
|
11/4 |
8 |
UN |
0.0021 |
0.0150 |
0.007043 |
0.0092 |
0.0053 |
0.0069 |
0.0250 |
0.0150 |
|
11/4 |
12 |
UNF |
0.0018 |
0.0114 |
0.006155 |
0.0080 |
0.0046 |
0.0060 |
0.0181 |
0.0100 |
|
11/4 |
16 |
UN |
0.0015 |
0.0094 |
0.005103 |
0.0066 |
0.0038 |
0.0050 |
0.0141 |
0.0086 |
|
11/4 |
18 |
UNEF |
0.0015 |
0.0087 |
0.004861 |
0.0063 |
0.0036 |
0.0047 |
0.0127 |
0.0081 |
|
11/4 |
20 |
UN |
0.0014 |
0.0081 |
0.004658 |
0.0061 |
0.0035 |
0.0045 |
0.0115 |
0.0077 |
|
11/4 |
28 |
UN |
0.0012 |
0.0065 |
0.004093 |
0.0053 |
0.0031 |
0.0040 |
0.0084 |
0.0063 |
|
15/16 |
8 |
UN |
0.0021 |
0.0150 |
0.007110 |
0.0092 |
0.0053 |
0.0069 |
0.0250 |
0.0150 |
|
15/16 |
12 |
UN |
0.0017 |
0.0114 |
0.005803 |
0.0075 |
0.0044 |
0.0057 |
0.0181 |
0.0100 |
|
15/16 |
16 |
UN |
0.0015 |
0.0094 |
0.005129 |
0.0067 |
0.0038 |
0.0050 |
0.0141 |
0.0086 |
|
15/16 |
18 |
UNEF |
0.0015 |
0.0087 |
0.004887 |
0.0064 |
0.0037 |
0.0048 |
0.0127 |
0.0081 |
|
15/16 |
20 |
UN |
0.0014 |
0.0081 |
0.004684 |
0.0061 |
0.0035 |
0.0046 |
0.0115 |
0.0077 |
|
15/16 |
28 |
UN |
0.0012 |
0.0065 |
0.004119 |
0.0054 |
0.0031 |
0.0040 |
0.0084 |
0.0063 |
|
13/8 |
6 |
UNC |
0.0024 |
0.0082 |
0.007970 |
0.0104 |
0.0060 |
0.0078 |
0.0306 |
0.0200 |
|
13/8 |
8 |
UN |
0.0022 |
0.0150 |
0.007177 |
0.0093 |
0.0054 |
0.0070 |
0.0250 |
0.0150 |
|
13/8 |
12 |
UNF |
0.0019 |
0.0114 |
0.006289 |
0.0082 |
0.0047 |
0.0061 |
0.0181 |
0.0100 |
|
13/8 |
16 |
UN |
0.0015 |
0.0094 |
0.005155 |
0.0067 |
0.0039 |
0.0050 |
0.0141 |
0.0086 |
|
13/8 |
18 |
UNEF |
0.0015 |
0.0087 |
0.004913 |
0.0064 |
0.0037 |
0.0048 |
0.0127 |
0.0081 |
|
13/8 |
20 |
UN |
0.0014 |
0.0081 |
0.004710 |
0.0061 |
0.0035 |
0.0046 |
0.0115 |
0.0077 |
|
13/8 |
28 |
UN |
0.0012 |
0.0065 |
0.004145 |
0.0054 |
0.0031 |
0.0040 |
0.0084 |
0.0063 |
|
17/16 |
6 |
UN |
0.0024 |
0.0082 |
0.008034 |
0.0104 |
0.0060 |
0.0078 |
0.0306 |
0.0200 |
|
17/16 |
8 |
UN |
0.0022 |
0.0150 |
0.007241 |
0.0094 |
0.0054 |
0.0071 |
0.0250 |
0.0150 |
|
17/16 |
12 |
UN |
0.0018 |
0.0114 |
0.005854 |
0.0076 |
0.0044 |
0.0057 |
0.0181 |
0.0100 |
|
17/16 |
16 |
UN |
0.0016 |
0.0094 |
0.005180 |
0.0067 |
0.0039 |
0.0051 |
0.0141 |
0.0086 |
|
17/16 |
18 |
UNEF |
0.0015 |
0.0087 |
0.004938 |
0.0064 |
0.0037 |
0.0048 |
0.0127 |
0.0081 |
|
17/16 |
20 |
UN |
0.0014 |
0.0081 |
0.004735 |
0.0062 |
0.0036 |
0.0046 |
0.0115 |
0.0077 |
|
17/16 |
28 |
UN |
0.0013 |
0.0065 |
0.004170 |
0.0054 |
0.0031 |
0.0041 |
0.0084 |
0.0063 |
|
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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