规格S
|
头部外形
|
头部厚度
|
全长lmin
|
||
b₁max
|
b₂max
|
E₁max
|
e₂max
|
||
3.2
|
7
|
14
|
5
|
3.3
|
55
|
4
|
8
|
15
|
5.5
|
3.5
|
55
|
5
|
10
|
18
|
6
|
4
|
65
|
5.5
|
10.5
|
19
|
6.3
|
4.2
|
70
|
6
|
11
|
20
|
6.5
|
4.5
|
75
|
7
|
12.5
|
22
|
7
|
5
|
80
|
8
|
14
|
24
|
8
|
5
|
90
|
9
|
15.5
|
26
|
8.5
|
5.5
|
100
|
10
|
17
|
28
|
9
|
6
|
110
|
11
|
18.5
|
30
|
9.5
|
6.5
|
115
|
12
|
20
|
32
|
10
|
7
|
125
|
13
|
21.5
|
34
|
11
|
7
|
135
|
14
|
23
|
36
|
11.5
|
7.5
|
145
|
15
|
24.5
|
39
|
12
|
8
|
150
|
16
|
26
|
41
|
12.5
|
8
|
160
|
17
|
27.5
|
43
|
13
|
8.5
|
170
|
18
|
29
|
45
|
14
|
9
|
180
|
19
|
30.5
|
47
|
14.5
|
9
|
185
|
20
|
32
|
49
|
15
|
9.5
|
200
|
21
|
33.5
|
51
|
15.5
|
10
|
205
|
22
|
35
|
53
|
16
|
10.5
|
215
|
23
|
36.5
|
55
|
16.5
|
10.5
|
220
|
24
|
38
|
57
|
17.5
|
11
|
230
|
25
|
39.5
|
60
|
18
|
11.5
|
240
|
26
|
41
|
62
|
18.5
|
12
|
245
|
27
|
42.5
|
64
|
19
|
12.5
|
255
|
28
|
44
|
66
|
19.5
|
12.5
|
270
|
29
|
45.5
|
68
|
20
|
13
|
280
|
30
|
47
|
70
|
20
|
13.5
|
285
|
31
|
48.5
|
72
|
20.5
|
14
|
290
|
32
|
50
|
74
|
21
|
14.5
|
300
|
34
|
53
|
78
|
22.5
|
15
|
320
|
36
|
56
|
83
|
23.5
|
15.5
|
335
|
41
|
63.5
|
93
|
26.5
|
17.5
|
380
|
46
|
71
|
104
|
29.5
|
19.5
|
425
|
50
|
77
|
112
|
32
|
21
|
460
|
对边尺寸S
|
公差系列1
|
公差系列2
|
||
下偏差
|
上偏差
|
下偏差
|
上偏差
|
|
2≤S<3
|
+0.02
|
+0.08
|
+0.02
|
+0.12
|
3≤S<4
|
+0.02
|
+0.10
|
+0.02
|
+0.14
|
4≤S<6
|
+0.02
|
+0.12
|
+0.02
|
+0.16
|
6≤S<10
|
+0.03
|
+0.15
|
+0.03
|
+0.19
|
10≤S<12
|
+0.04
|
+0.19
|
+0.04
|
+0.24
|
12≤S<14
|
+0.04
|
+0.24
|
+0.04
|
+0.30
|
14≤S<17
|
+0.05
|
+0.27
|
+0.05
|
+0.35
|
17≤S<19
|
+0.05
|
+0.30
|
+0.05
|
+0.40
|
19≤S<26
|
+0.06
|
+0.36
|
+0.06
|
+0.46
|
26≤S<33
|
+0.08
|
+0.48
|
+0.08
|
+0.58
|
33≤S<55
|
+0.10
|
+0.60
|
+0.10
|
+0.70
|
注:公差系列2仅适用于未经车加工处理的板手孔。