符號說明:d--鋼絲螺套公稱直徑(螺釘公稱直徑) L—鋼絲螺套公稱長度(安裝后的螺紋長度) P--螺距 do--鉆絲套安裝用鉆頭直徑 Dz--鋼絲螺套自由狀態(tài)下外徑 N--鋼絲螺套自由狀態(tài)下圈數(shù)
螺紋規(guī)格d×p
k×d
鋼絲螺套安裝后長度L(mm)
鉆頭直徑do(mm)
自由狀態(tài)下外徑Dz(mm)
自由狀態(tài)螺套圈數(shù)N(≈)
2×0.4
1d1.5d2d
234
2
2.6-2.8
2.94.76.5
2.5×0.45
2.53.755
2.6
3.3-3.5
3.55.98.1
3×0.5
34.56
3.1
3.8-4.0
46.38.7
4×0.7
468
4.1
5.15-5.35
3.768.4
5×0.8
57.510
5.2
6.35-6.6
4.36.99.7
6×1
6912
6.2
7.6-7.85
4.279.6
7×1
710.514
7.2
8.65-8.9
5.48.511.6
8×1
81216
8.2
9.85-10.1
6.19.513
8×1.25
8.3
4.77.410.6
10×1
101520
10.2
12.1-12.5
7.61216.3
10×1.5
10.3
5811.2
12×1.5
121824
12.4
14.4-14.8
6.29.813.5
12×1.75
5.28.411.7
14×1.5
142128
14.4
17.2-17.7
711.215.3
16×1.5
162432
16.4
19.4-19.9
8.31317.7
16×2
16.5
6.09.713.3
18×1.5
0.5d1.0d1.5d
91827
18.4
21.5-22
4.49.515
20×1.5
0.75d1d1.5d
152030
20.4
23.7-24.2
810.716.7
20×2.5
203040
20.5
6.31013.7
22×1.5
16.52233
22.4
26.3-26.8
8.611.718
24×1.5
182436
24.4
28.6-29.1
9.51319.8
24×3
243648
24.6
6.31014
26×1.5
0.5d0.75d1d
1319.526
26.4
30.5-31
6.710.714.6
27×1.5
13.520.327
27.4
32.2-32.7
27×2
27.5
30×1..5
1522.530
30.4
35.2-35.7
7.812.216.5
30×3.5
304560
30.7
71114.9
33×1.5
16.624.533
33.4
38.3-38.8
9.113.718.3
39×2
19.529.2539
39.5
45.1-45.6
7.912.216.6
45X1.5
52.50-53.50
48X3
1.5d
55.17-56.07
60×4
0.5d1d
3264
64.9
65-66
7.315.6
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