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M系列螺套参数表 (共三页)

M2—M6  M7—M18  M20—M33
M20—M33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
20
2.5
1d
25.0
1.5d
30.0
2d
40.0
2.5d
50.0
8.4
10.0
13.8
17.5
23.7
24.2
20.6
27
3
1d
27.0
1.5d
40.5
2d
54.0
7.2
11.3
15.4
32.2
32.7
27.8
20
1.5
0.5d
10.0
0.75
15.0
1d
20.0
1.5d
30.0
4.8
7.8
10.7
16.7
23.7
24.2
20.4
27
1.5
0.5d
13.5
0.75
20.3
1d
27.0
1.5d
40.5
6.9
10.9
14.9
22.8
31.4
32.1
27.4
22
2.5
1d
22.0
1.5d
33.0
2d
44.0
6.9
11.0
15.0
26.3
26.8
20.6
30
3.5
1d
30.0
1.5d
45.0
2d
60.0
6.9
11.0
15.0
35.2
35.7
30.9
22
1.5
0.5d
11.0
0.75
16.5
1d
22.0
1.5d
33.0
5.4
8.7
11.9
18.4
26.0
26.5
22.4
30
1.5
0.5d
15.0
0.75
22.5
1d 30.0
7.8
12.2
16.7
34.6
35.4
30.4
24
3
1d
24.0
1.5d
36.0
2d
48.0
6.3
10.0
13.7
28.6
29.1
24.8
33
3.5
1d
33.0
1.5d
49.5
7.8
12.2
38.3
38.8
33.9
24
1.5
0.5d
12.0
0.75
18.0
1d
24.0
6.0
9.5
13.0
28.4
28.9
24.4
33
1.5
0.75
24.8
1d
33.0
13.6
18.5
38.3
38.8
33.4