螺纹基本尺寸.docx
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螺纹基本尺寸.docx
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螺纹基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M1
0.25
0.838
0.729
0.2
0.870
0.783
M1.1
0.25
0.938
0.829
0.2
0.970
0.883
M1.2
0.25
1.038
0.929
0.2
1.070
0.983
M1.4
0.3
1.205
1.075
0.2
1.270
1.183
M1.6
0.35
1.373
1.221
0.2
1.470
1.383
M1.8
0.35
1.573
1.421
0.2
1.670
1.583
M2
0.4
1.740
1.567
0.25
1.838
1.729
M2.2
0.45
1.908
1.713
0.25
2.038
1.929
M2.5
0.45
2.208
2.013
0.35
2.273
2.121
M3
0.5
2.675
2.459
0.35
2.773
2.621
M3.5
(0.6)
3.110
2.850
0.35
3.273
3.121
M4
0.7
3.545
3.242
0.5
3.675
3.459
M4.5
0.75
4.013
3.688
0.5
4.175
3.959
M5
0.8
4.48
4.134
0.5
4.675
4.459
M5.5
0.5
5.175
4.959
M6
1
5.350
4.917
0.75
5.513
5.188
(0.5)
5.675
5.459
M7
1
6.350
5.917
0.75
6.513
6.188
(0.5)
6.675
6.499
M8
1.25
7.188
6.647
1
7.350
6.917
0.75
7.513
7.188
(0.5)
7.675
7.459
普通螺纹(GB/T196-1981)—基本尺寸
普通螺纹(GB/T196-1981)—基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M9
(1.25)
8.188
7.647
1
8.350
7.917
0.75
8.513
8.188
(0.5)
8.675
8.459
M10
1.5
9.026
8.376
1.25
9.188
8.647
1
9.350
8.917
0.75
9.513
9.188
(0.5)
9.675
9.459
M11
(1.5)
10.026
9.376
1
10.350
9.917
0.75
10.513
10.188
(0.5)
10.675
10.459
M12
1.75
10.863
10.106
1.5
11.026
10.376
1.25
11.188
10.647
1
11.350
10.917
0.75
11.513
11.188
(0.5)
11.675
11.459
M14
2
12.701
11.835
1.5
13.026
12.376
(1.25)
13.188
12.674
1
13.350
12.917
(0.75)
13.513
13.188
(0.5)
13.675
13.459
M15
1.5
14.026
13.376
(1)
14.350
13.917
M16
2
14.701
13.835
1.5
15.026
14.376
1
15.350
14.917
(0.75)
15.513
15.188
(0.5)
15.675
15.459
M17
1.5
16.026
15.376
(1)
16.350
15.917
M18
2.5
2
1.5
1
(0.75)
(0.5)
普通螺纹(GB/T196-1981)—基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M20
2.5
18.376
17.294
2
18.701
17.835
1.5
19.026
18.376
1
19.350
18.917
(0.75)
19.513
19.188
(0.5)
19.675
19.459
M22
2.5
20.376
19.294
2
20.701
19.835
1.5
21.026
20.376
1
21.350
20.917
(0.75)
21.513
21.188
(0.5)
21.675
21.459
M24
3
22.051
20.752
2
22.701
21.835
1.5
23.026
22.376
1
23.350
22.917
(0.75)
23.513
23.188
M25
2
23.701
22.835
1.5
24.026
23.376
(1)
24.350
23.917
M26
1.5
25.026
24.376
M27
3
25.051
23.752
2
25.701
24.835
1.5
26.026
25.376
1
26.350
25.917
(0.75)
26.513
26.188
M28
2
26.701
25.835
1.5
27.026
26.376
1
27.350
26.917
M30
3.5
27.727
26.211
(3)
28.051
26.752
2
28.701
27.835
1.5
29.026
28.376
1
29.350
28.917
(0.75)
29.513
29.188
M32
2
30.701
29.835
1.5
31.026
30.376
M33
3.5
30.727
29.211
(3)
31.051
29.752
2
31.701
30.835
1.5
32.026
31.376
(1)
32.350
31.917
(0.75)
32.513
32.188
普通螺纹(GB/T196-1981)—基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M35
1.5
34.026
33.376
M36
4
33.402
31.670
3
34.051
32.752
2
34.701
33.835
1.5
35.026
34.376
(1)
35.350
34.917
M38
1.5
37.026
36.376
M39
4
36.402
34.670
3
37.051
35.752
2
37.701
36.835
1.5
38.026
37.376
(1)
38.350
37.917
M40
(3)
38.051
36.752
(2)
38.701
37.835
1.5
39.026
38.376
M42
4.5
39.077
37.129
(4)
39.402
37.670
3
40.051
38.752
2
40.701
39.835
1.5
41.026
40.376
(1)
41.350
40.917
M45
4.5
42.077
40.129
(4)
42.402
40.670
3
43.051
41.752
2
43.701
42.835
1.5
44.026
43.376
(1)
44.350
43.917
M48
5
44.752
42.587
(4)
45.402
43.670
3
46.051
44.752
2
46.701
45.835
1.5
47.026
46.376
(1)
47.350
46.917
M50
(3)
48.051
46.752
(2)
48.701
47.835
1.5
49.026
48.376
M52
5
48.752
46.587
(4)
49.402
47.670
3
50.051
48.752
2
50.701
49.835
1.5
51.026
50.376
(1)
51.350
50.917
普通螺纹(GB/T196-1981)—基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M55
(4)
52.402
50.670
(3)
53.051
51.752
2
53.701
52.835
1.5
54.026
53.376
M56
5.5
52.428
50.046
4
53.402
51.670
3
54.051
52.752
2
54.701
53.835
1.5
55.026
54.376
(1)
55.350
54.917
M58
(4)
55.402
53.670
(3)
56.051
54.752
2
56.701
55.835
1.5
57.026
56.376
M60
(5.5)
56.428
54.046
4
57.402
55.670
3
58.051
56.752
2
58.701
57.835
1.5
59.026
58.376
(1)
59.350
58.917
M62
(4)
59.402
57.670
(3)
60.051
58.752
2
60.701
59.835
1.5
61.026
60.376
M64
6
60.103
57.505
4
61.402
59.670
3
62.051
60.752
2
62.701
61.835
1.5
63.026
62.376
(1)
63.350
62.917
M65
(4)
62.402
60.670
(3)
63.051
61.752
2
63.701
62.835
1.5
64.026
63.376
M68
6
64.103
61.505
4
65.402
63.670
3
66.051
64.752
2
66.701
65.835
1.5
67.026
66.376
(1)
67.350
66.917
普通螺纹(GB/T196-1981)—基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M70
(6)
66.103
63.505
(4)
67.402
65.670
(3)
68.051
66.752
2
68.701
67.835
1.5
69.026
68.376
M72
6
68.103
65.505
4
69.402
67.670
3
70.051
68.752
2
70.701
69.835
1.5
71.026
70.376
(1)
71.350
70.917
M75
(4)
72.402
70.670
(3)
73.051
71.752
2
73.701
72.835
1.5
74.026
73.376
M76
6
72.103
69.505
4
73.402
71.670
3
74.051
72.752
2
74.701
73.835
1.5
75.026
74.376
(1)
75.350
74.917
M78
2
76.701
75.835
M80
6
76.103
73.505
4
77.402
75.670
3
78.051
76.752
2
78.701
77.835
1.5
79.026
78.376
(1)
79.350
78.917
M82
2
80.701
79.835
M85
6
81.103
78.505
4
82.402
80.670
3
83.051
81.752
2
83.701
82.835
(1.5)
84.026
83.376
M90
6
86.103
83.505
4
87.402
85.670
3
88.051
86.752
2
88.701
87.835
(1.5)
89.026
88.376
普通螺纹(GB/T196-1981)—基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M95
6
91.103
88.505
4
92.402
90.670
3
93.051
91.752
2
93.701
92.835
(1.5)
94.026
93.376
M100
6
96.103
93.505
4
97.402
95.670
3
98.051
96.752
2
98.701
97.835
(1.5)
99.026
98.376
M105
6
101.103
98.505
4
102.402
100.670
3
103.051
101.752
2
103.701
102.835
(1.5)
104.026
103.376
M110
6
106.103
103.505
4
107.402
105.670
3
108.051
106.752
2
108.701
107.835
(1.5)
109.026
108.376
M115
6
111.103
108.505
4
112.402
110.670
3
113.051
111.752
2
113.701
112.835
(1.5)
114.026
113.376
M120
6
116.103
113.505
4
117.402
115.670
3
118.051
116.752
2
118.701
117.835
(1.5)
119.026
118.376
M125
6
121.103
118.505
4
122.402
120.670
3
123.051
121.752
2
123.701
122.835
(1.5)
124.026
123.376
M130
6
126.103
123.505
4
127.402
125.670
3
128.051
126.752
2
128.701
127.835
(1.5)
129.026
128.376
普通螺纹(GB/T196-1981)—基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M135
6
131.103
128.505
4
132.402
130.670
3
133.051
131.752
2
133.701
132.835
1.5
134.026
133.376
M140
6
136.103
133.505
4
137.402
135.670
3
138.051
136.752
2
138.701
137.835
(1.5)
139.026
138.376
M145
6
141.103
138.505
4
142.402
140.670
3
143.051
141.752
2
143.701
142.835
1.5
144.026
143.376
M150
6
146.103
143.505
4
147.402
145.670
3
148.051
146.752
2
148.701
147.835
(1.5)
149.026
148.376
M155
6
151.103
148.505
4
152.402
150.670
3
153.051
151.752
2
153.701
152.835
M160
6
156.103
153.505
4
157.402
155.670
3
158.051
156.752
(2)
158.701
157.835
M165
6
161.103
158.505
4
162.402
160.670
3
163.051
161.752
2
163.701
162.835
M170
6
166.103
163.505
4
167.402
165.670
3
168.051
166.752
(2)
168.701
167.835
M175
6
171.103
168.505
4
172.402
170.670
3
173.051
171.752
2
173.701
172.835
普通螺纹(GB/T196-1981)—基本尺寸
公称直径D、d
螺距P
中径
D2或d2
小径
D1或d1
第一系列
第二系列
第三系列
粗牙
细牙
M180
6
176.103
173.505
4
177.402
175.670
3
178.051
176.752
(2)
178.701
177.835
M185
6
181.103
178.505
4
182.402
180.670
3
183.051
181.752
2
183.701
182.835
M190
6
186.103
183.505
4
187.402
185.670
3
188.051
186.752
(2)
188.701
187.835
M195
6
191.103
188.505
4
192.402
190.670
3
193.051
191.752
2
193.701
192.835
M200
6
196.103
193.505
4
197.402
195.670
3
198.051
196.752
(2)
198.701
197.835
M205
6
201.103
198.505
4
202.402
200.670
3
203.051
201.752
M210
6
206.103
203.505
4
207.402
205.670
3
208.051
206.752
M215
6
211.103
208.505
4
212.402
210.670
3
213.051
211.752
M220
6
216.103
213.505
4
217.402
215.670
3
218.051
216.752
M225
6
221.103
218.505
4
222.402
220.670
3
223.051
221.752
M230
6
226.103
223.505
4
227.402
225.670
3
228.051
226.752
普通螺纹(GB/T196
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