开槽圆头木螺钉（摘自GB 99-86）
公称直径为1.6～10mm的开槽圆头木螺钉。
标记示例：
公称直径10mm、长度100mm、材料为Q215、不经表面处理的d槽圆头木螺钉的标记：
木螺钉 GB 99 10×100
公称直径为1.6～10mm的开槽圆头木螺钉：
|
d
|
dk
|
K
|
n
|
r≈
|
rf
|
r2
|
t
|
l
|
l0
|
|
公称
|
min
|
max
|
max
|
min
|
max
|
min
|
公称
|
min
|
max
|
max
|
min
|
|
1.6
|
1.46
|
1.6
|
3.2
|
2.8
|
1.4
|
1.2
|
0.4
|
0.4
|
0.65
|
0.2
|
1.6
|
0.64
|
0.96
|
0.64
|
6～12
|
4～8
|
|
2
|
1.86
|
2.0
|
3.9
|
3.5
|
1.6
|
1.4
|
0.5
|
0.5
|
0.75
|
0.2
|
2.3
|
1.4
|
1.1
|
0.7
|
6～14
|
4～9
|
|
2.5
|
2.25
|
2.5
|
4.63
|
4.23
|
1.98
|
1.78
|
0.6
|
0.6
|
0.85
|
0.2
|
2.6
|
1.5
|
1.3
|
0.9
|
6～22
|
4～14
|
|
3
|
2.75
|
3.0
|
5.8
|
5.3
|
2.37
|
2.07
|
0.8
|
0.8
|
1.05
|
0.2
|
3.4
|
1.9
|
1.54
|
1.06
|
8～25
|
5～17
|
|
3.5
|
3.20
|
3.5
|
6.75
|
6.25
|
2.65
|
2.35
|
0.9
|
0.9
|
1.15
|
0.4
|
4
|
2.1
|
1.74
|
1.26
|
8～38
|
5～25
|
|
4
|
3.70
|
4.0
|
7.65
|
7.15
|
2.95
|
2.65
|
1
|
1
|
1.35
|
0.4
|
4.8
|
2.4
|
1.98
|
1.38
|
12～65
|
8～43
|
|
（4.5）
|
4.20
|
4.5
|
8.6
|
8.0
|
3.25
|
2.95
|
1.2
|
1.2
|
1.55
|
0.4
|
5.2
|
2.6
|
2.2
|
1.6
|
14～80
|
9～52
|
|
5
|
4.70
|
5.0
|
9.5
|
8.9
|
3.5
|
3.2
|
1.2
|
1.2
|
1.55
|
0.4
|
6
|
2.9
|
2.5
|
1.9
|
16～90
|
10～60
|
|
（5.5）
|
5.20
|
5.5
|
10.5
|
9.9
|
3.95
|
3.65
|
1.4
|
1.4
|
1.75
|
0.4
|
6.5
|
3.2
|
2.7
|
2.1
|
22～90
|
14～60
|
|
6
|
5.70
|
6.0
|
11.05
|
10.35
|
4.34
|
3.94
|
1.6
|
1.6
|
1.95
|
0.4
|
6.8
|
3.5
|
2.8
|
2.2
|
22～120
|
14～80
|
|
（7）
|
6.64
|
7.0
|
13.35
|
12.55
|
4.86
|
4.46
|
1.8
|
1.8
|
2.15
|
0.5
|
8.2
|
3.8
|
3.06
|
2.34
|
38～120
|
25～80
|
|
8
|
7.64
|
8.0
|
15.2
|
14.4
|
5.5
|
5.1
|
2
|
2.0
|
2.35
|
0.5
|
9.7
|
4.4
|
3.66
|
2.94
|
38～120
|
25～80
|
|
10
|
9.64
|
10.0
|
18.9
|
18.1
|
6.8
|
6.4
|
2.5
|
2.5
|
2.85
|
0.5
|
12.1
|
5.5
|
4.32
|
3.6
|
65～120
|
43～80
|
注：尽可能不采用括号内的规格。
l的范围：
|
公称
|
6
|
8
|
10
|
12
|
14
|
16
|
18
|
20
|
(22)
|
25
|
30
|
(32)
|
35
|
(38)
|
40
|
45
|
|
min
|
5.25
|
7.10
|
9.10
|
10.90
|
12.90
|
14.90
|
16.90
|
18.70
|
20.70
|
23.70
|
28.70
|
30.40
|
33.40
|
36.40
|
38.40
|
43.40
|
|
max
|
6
|
8
|
10
|
12
|
14
|
16
|
18
|
20
|
22
|
25
|
30
|
32
|
35
|
38
|
40
|
45
|
|
公称
|
50
|
(55)
|
60
|
(65)
|
70
|
(75)
|
80
|
(85)
|
90
|
100
|
120
|
|
min
|
48.40
|
53.10
|
58.10
|
63.10
|
68.10
|
73.10
|
78.10
|
82.80
|
87.80
|
97.80
|
117.80
|
|
max
|
50
|
55
|
60
|
65
|
70
|
75
|
80
|
85
|
90
|
100
|
120
|
l0的范围：
|
公称
|
4
|
5
|
6
|
8
|
9
|
10
|
12
|
13
|
14
|
17
|
20
|
21
|
23
|
25
|
26
|
30
|
33
|
|
min
|
3.3
|
4.3
|
5.3
|
7.1
|
8.1
|
9.1
|
10.9
|
11.9
|
12.9
|
15.9
|
18.7
|
19.7
|
21.7
|
23.7
|
24.7
|
28.7
|
31.4
|
|
max
|
4.7
|
5.7
|
6.7
|
8.9
|
9.9
|
10.9
|
13.1
|
14.1
|
15.1
|
18.1
|
21.3
|
22.3
|
24.3
|
26.3
|
27.3
|
31.3
|
34.6
|
|
公称
|
36
|
40
|
43
|
46
|
50
|
52
|
56
|
60
|
66
|
80
|
|
min
|
34.4
|
38.4
|
41.4
|
44.4
|
48.4
|
50.1
|
54.1
|
58.1
|
64.1
|
78.1
|
|
max
|
37.6
|
41.6
|
44.6
|
47.6
|
51.6
|
53.9
|
57.9
|
61.9
|
67.9
|
81.9
|
