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钢丝螺套 |
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符号说明：
d--钢丝螺套公称直径（螺钉公称直径） L—钢丝螺套公称长度（安装后的螺纹长度） P--螺距
do--钻丝套安装用钻头直径 Dz--钢丝螺套自由状态下外径 N--钢丝螺套自由状态下圈数
英制钢丝螺套规格、螺纹护套规格参数表
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螺纹护套规格参数
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螺纹规格d×p
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k×d
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钢丝螺套安装后长度L(mm)
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钻头直径do(mm)
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自由状态下外径Dz(mm)
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自由状态螺套圈数N(≈)
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4-40
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1d
1.5d
2d
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2.9
4.3
5.8
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3
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3.66-4.04
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3.2
5.1
7.2
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5-40
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1d
1.5d
2d
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3.2
4.8
6.4
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3.4
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4.01-4.39
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3.7
5.9
8.2
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6-32
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1d
1.5d
2d
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3.5
5.3
7.0
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3.7
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4.52-4.90
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2.8
4.8
6.8
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8-32
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1d
1.5d
2d
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4.2
6.25
8.3
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4.4
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5.20-5.56
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4.0
6.0
8.7
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10-24
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1d
1.5d
2d
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4.8
7.2
9.6
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5.1
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6.19-6.58
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3.3
5.4
7.5
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12-24
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1d
1.5d
2d
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5.5
8.2
11.0
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5.8
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6.86-7.24
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4.0
6.3
8.8
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1/4"-20
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1d
1.5d
2d
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6.4
9.5
12.7
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6.7
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7.86-8.38
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3.9
6.2
8.6
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3/8"-16
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1d
1.5d
2d
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9.5
14.3
19.1
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9.9
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11.48-11.99
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4.8
7.7
10.6
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7/16"-14
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1d
1.5d
2d
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11.1
16.7
22.2
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11.6
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13.36-13.99
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4.9
7.9
10.7
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1/2"-13
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1d
1.5d
2d
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12.7
19.1
25.4
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13.1
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15.16-15.8
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5.2
8.3
11.4
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5/8"-11
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1d
1.5d
2d
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15.9
23.8
31.8
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16.4
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18.84-19.48
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5.7
9.0
12.3
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3/4"-10
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1d
1.5d
2d
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19.1
28.6
38.1
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19.6
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22.36-23.00
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6.3
9.9
13.5
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1"-8
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1d
1.5d
2d
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25.4
38.1
50.8
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26.1
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29.62-30.38
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6.8
10.6
15.4
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8-36
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1d
1.5d
2d
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4.2
6.3
8.3
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4.3
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5.18-5.68
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4.5
7.2
9.7
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10-32
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1d
1.5d
2d
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4.83
7.24
9.6
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5.0
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5.99-6.50
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4.1
6.9
10
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1/4"-28
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1d
1.5d
2d
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6.35
9.5
12.7
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6.6
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7.77-8.28
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5.0
8.6
11.8
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5/16"-24
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1d
1.5d
2d
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7.9
11.9
15.9
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8.2
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9.65-10.16
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5.9
9.4
12.8
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3/8"-24
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1d
1.5d
2d
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9.5
14.3
19.1
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9.8
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11.37-11.88
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7.3
11.5
15.6
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7/16"-20
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1d
1.5d
2d
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11.1
16.7
22.2
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11.4
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13.3-13.7
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7.0
11.1
15.0
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1/2"-20
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1d
1.5d
2d
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12.7
19.1
25.4
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13.0
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15.03-15.67
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7.9
12.8
17.3
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9/16"-18
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1d
1.5d
2d
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14.3
21.5
28.6
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14.6
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16.91-17.55
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7.9
12.0
16.0
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5/8"-18
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1d
1.5d
2d
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15.9
23.8
31.8
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16.2
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18.61-19.25
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9.4
14.5
19.7
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3/4"-16
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1d
1.5d
2d
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19.1
28.6
31.8
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19.4
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22.25-22.88
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10.1
15.6
21.0
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7/8"-14
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1d
1.5d
2d
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22.2
33.3
44.5
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22.6
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25.93-26.69
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10.3
15.9
21.6
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1"-14
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1d
1.5d
2d
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25.4
38.1
50.8
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25.9
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29.69-30.45
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11.8
18.1
24.5
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1"-12
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1d
1.5d
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25.4
38.1
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30.0
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29.69-30.45
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10.0
15.6
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