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M系列螺套参数表 （共三页）

M2—M6  M7—M18  M20—M33
M7—M18螺套参数表
公称直径d
螺距p
公称长度L1
螺套圈数W
自由状态外径mm
钻头Φ
公称直径d
螺距p
公称长度L1
螺套圈数W
自由状态外径mm
钻头Φ
7
1
1d
7.0
1.5d
10.5
2d
12.0
5.2
8.3
11.5
8.7
8.9
7.3
12
1.25
1d
12.0
1.5d
18.0
2d
24.0
7.5
11.8
16.1
14.4
14.8
12.3
8
1
1d
8.0
1.5d
12.0
2d
 16.0
6.0
9.6
13.1
9.9
10.1
8.3
14
1.5
0.75
10.5
1d
14.0
1.5d
21.0
5.2
7.3
11.5
16.8
17.2
14.4
8
1.25
1d
8.0
1.5d
12.0
2d
16.0
2.5d
20.0
4.8
7.7
10.6
13.5
9.0
10.1
8.3
14
2
1d
14.0
1.5d
21.0
2d
28.0
2.5d
35.0
5.3
8.7
11.9
15.2
16.8
17.2
14.5
10
1.5
1d
10.0
1.5d
15.0
2d
20.0
2.5d
25.0
3d
30.0
5.0
8.1
11.2
14.2
17.3
12.1
12.5
10.4
16
2
1d
16.0
1.5d
24.0
2d
32.0
2.5d
40.0
3d
48.0
6.3
10.0
13.7
17.5
21.2
19.0
19.4
16.5
10
1.25
1d
10.0
1.5d
15.0
2d
20.0
6.1
9.7
13.3
12.1
12.5
10.3
16
1.5
0.75
12.0
1d
16.0
1.5d
24.0
2d
32.0
6.1
8.5
13.3
18.1
19.0
19.4
16.4
11
1.5
1d
11.0
1.5d
16.5
2d
22.0
5.7
9.1
12.5
13.1
13.5
11.4
18
2
0.75
13.5
1d
18.0
1.5d
27.0
5.0
7.1
11.2
21.5
22.0
18.5
12
1.75
1d
12.0
1.5d
18.0
2d
24.0
2.5d
30.0
3d
36.0
5.3
8.4
11.6
14.8
18.0
14.4
14.8
12.4
18
2.5
1d
18.0
1.5d
27.0
2d
36.0
2.5d
45.0
5.6
9.0
12.3
15.7
21.5
22.0
18.6
12
1.5
1d
12.0
1.5d
18.0
2d
24.0
6.2
9.8
13.5
14.4
14.8
12.4
18
1.5
1d
18.0
1.5d
27.0
2d
36.0
9.8
15.0
20.3
21.5
21.8
18.4