常用螺纹尺寸与公差汇总表 g1/4螺纹是什么标准( 四 )


16.8
19.1
14.5
2.9
32.599
20
R1.1/4*11
41.910
40.431
38.952
12.7
15
10.4
19.1
21.4
16.8
2.9
41.116
24
R1.1/2*11
47.803
46.324
44.845
12.7
15
10.4
19.1
21.4
16.8
2.9
47.009
32
R2*11
59.614
58.135
56.656
15.9
18.2
13.6
23.4
25.7
21.1
2.9
58.620
40
R2.1/2*11
75.184
73.705
72.226
17.5
21
14
26.7
30.2
23.2
3.5
74.090
48
R3*11
87.884
86.405
84.926
20.6
24.1
17.1
29.8
33.3
26.3
3.5
86.597
美制螺纹
标号
螺纹代号
外螺纹
内螺纹
公差等级2A
公差等级2B
大径
中径
小径
最大
小径
中径
大径
最小
最大
最小
最大
最小
最小
最大
最小
最大
JIC螺纹
02
5/16×24UNF
7.910
7.727
7.221
7.127
6.650
6.782
7.036
7.249
7.371
7.938
03
3/8*24UNF
9.497
9.314
8.809
8.712
8.237
8.382
8.636
8.837
8.961
9.525
04
7/16*20UNF
11.079
10.874
10.254
10.147
9.568
9.728
10.033
10.287
10.424
11.113
05
1/2*20UNF
12.667
12.461
11.841
11.732
11.156
11.328
11.608
11.875
12.017
12.7
06
9/16*18UNF
14.252
14.031
13.335
13.221
12.573
12.751
13.081
13.371
13.52
14.288
08
3/4*16UNF
19.012
18.773
17.981
17.854
17.12
17.323
17.678
18.019
18.184
19.05
10
7/8*14UNF
22.184
21.923
21.006
20.869
20.025
20.269
20.676
21.046
21.224
22.225
12
1.1/16*12UNF
26.944
26.655
25.57
25.425
24.425
24.689
25.146
25.613
25.801
26.988
16
1.5/16*12UNF
33.294
33.005
31.92
31.773
30.775
31.039
31.496
31.963
32.154
33.338
20
1.5/8*12UNF
41.229
40.94
39.855
39.705
38.71
38.989
39.446
39.901
40.094
41.275
24
1.7/8*12UNF
47.579
47.29
46.205
46.053
45.06
45.339
45.796
46.251
46.449
47.625
32
2.1/2*12UNF
63.452
63.162
62.078
61.92
60.932
61.214
61.671
62.126
62.332
63.5
40
3812UNF
76.157
75.862
74.778
74.618
73.632
73.914
74.371
74.826
75.034
76.2
18HK
1.1/2*10UNF
38.052
37.724
36.401
36.238
35.029
35.357
35.890
36.449
36.660
38.100
ORFS螺纹
04
9/16*18UNF
14.252
14.031
13.335
13.221
12.573
12.751
13.081
13.371
13.52
14.288
06
11/16*16UNF
17.427
17.188
16.396
16.274
15.535
15.748
16.104
16.431
16.589
17.463
08
13/16*16UNF
20.599
20.361
19.568
19.444
18.707

推荐阅读