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英制钢丝螺套
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产品名称:
英制钢丝螺套
产品型号:
2-56 4-40规格齐全
产品厂商:
港美特
产品文档:
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简单介绍
英制钢丝螺套是一种新型的螺纹紧固件，是由高精度表面光洁的冷轧菱形不锈钢丝**加工而成的一种弹簧状内外螺纹同心体。钢丝螺套还可以在原基体上的螺纹脱扣或乱牙时，作为修复手段，而不致造成整个基体报废，并且维修方便，快速经济。
英制钢丝螺套的详细介绍
英制钢丝螺套简介：
英制钢丝螺套（简称螺套）是为保护有色金属螺纹孔而发展的嵌入物，适用于螺纹连接。旋入并紧固在被连接件之一的螺纹孔中，形成标准内螺纹，螺栓（或螺钉）再拧入其中。以冷轧不锈钢线制造成螺旋状内外同心体螺纹线圈，横切面呈菱形，形状类似于螺旋弹簧，具有较高的硬度及较好的表面粗糙度。
英制钢丝螺套的作用：
英制钢丝螺套主要用于螺丝孔的维修和要求较高的螺丝孔的制造。特别是在防止成本高昂的机器由于螺丝孔的损坏而无法正常使用方面，发挥着巨大作用。内螺纹常因种种原因而损坏，如脱扣、烂牙、磨损、腐蚀、生锈等等。内螺纹损坏有时会造成严重损失，轻者影响装配过程和装配质量，重者能造成整个大件报废，钢丝螺套为您提供了一套简易而可靠的内螺纹修复方法，修补后的螺纹，将比原来的螺纹更加优越。对于强度较低的零件如铝、镁合金、铜、铸铁、钢件、塑料、密度板和木材、玻璃钢，这一点尤其明显。安装钢丝螺套使用专用的丝锥及安装工具攻丝和安装，螺套装于螺孔或螺母中，有减轻螺纹牙受力不均和抗冲击振动的作用，可以提高螺纹的疲劳强度，减少螺纹的磨损和抗腐蚀性能。延长螺孔寿命。
英制钢丝螺套UNC（粗牙）UNF(细牙）统一螺纹 螺纹护套规格参数表：
| 直径号-牙数 |
直径 |
螺距 |
k×d |
安装后长度L(mm) |
安装前圈数N(≈) |
安装前外径(mm) |
钻头直径do(mm) |
| 2-56 |
2.184 |
|
1d |
2.18 |
3.3 |
2.7-3.1 |
2.3 |
| 0.454 |
1.5d |
3.28 |
5 |
| |
2d |
4.37 |
6.8 |
| 4-40 |
2.845 |
|
1d |
2.9 |
3.2 |
3.6-4.0 |
3.0 |
| 0.635 |
1.5d |
4.3 |
5.1 |
| |
2d |
5.8 |
7.2 |
| 5-40 |
3.175 |
|
1d |
3.2 |
3.7 |
4.0-4.4 |
3.3 |
| 0.635 |
1.5d |
4.8 |
5.9 |
| |
2d |
6.4 |
8.2 |
| 6-32 |
3.505 |
|
1d |
3.5 |
2.8 |
4.5-4.9 |
3.7 |
| 0.794 |
1.5d |
5.3 |
4.8 |
| |
2d |
7 |
6.8 |
| 8-32 |
4.166 |
|
1d |
4.2 |
4 |
5.2-5.6 |
4.4 |
| 0.794 |
1.5d |
6.25 |
6 |
| |
2d |
8.3 |
8.7 |
| 8-36 |
4.166 |
|
1d |
4.2 |
4.5 |
5.1-5.6 |
4.3 |
| 0.706 |
1.5d |
6.3 |
7.2 |
| |
2d |
8.3 |
9.7 |
| 10-24 |
4.826 |
|
1d |
4.8 |
3.3 |
6.1-6.6 |
5.1 |
| 1.058 |
1.5d |
7.2 |
5.4 |
| |
2d |
9.6 |
7.5 |
| 10-32 |
4.826 |
|
1d |
4.83 |
4.3 |
5.9-6.5 |
5.0 |
| 0.794 |
1.5d |
7.24 |
6.9 |
| |
2d |
9.6 |
9.5 |
| 12-24 |
5.486 |
|
1d |
5.5 |
4 |
6.8-7.2 |
5.8 |
| 1.058 |
1.5d |
8.2 |
6.3 |
| |
2d |
11 |
8.8 |
| 1/4"-20 |
6.35 |
|
1d |
6.4 |
3.9 |
7.8-8.3 |
6.7 |
| 1.27 |
1.5d |
9.5 |
6.2 |
| |
2d |
12.7 |
8.6 |
| 1/4"-28 |
6.35 |
|
1d |
6.35 |
5.3 |
7.7-8.3 |
6.6 |
| 0.907 |
1.5d |
9.5 |
8.6 |
| |
2d |
12.7 |
11.8 |
| 5/16"-18 |
7.938 |
|
1d |
7.9 |
4.3 |
9.6-10.2 |
8.3 |
| 1.411 |
1.5d |
11.9 |
6.8 |
| |
2d |
15.9 |
9.4 |
| 5/16"-24 |
7.938 |
|
1d |
7.9 |
5.9 |
9.6-10.2 |
8.2 |
| 1.058 |
1.5d |
11.9 |
9.4 |
| |
2d |
15.9 |
12.8 |
| 3/8"-16 |
9.525 |
|
1d |
9.5 |
4.8 |
11.4-11.9 |
9.9 |
| 1.588 |
1.5d |
14.3 |
7.7 |
| |
2d |
19.1 |
10.6 |
| 3/8"-24 |
9.525 |
|
1d |
9.5 |
7.3 |
11.4-11.9 |
9.8 |
| 1.058 |
1.5d |
14.3 |
11.5 |
| |
2d |
19.1 |
15.6 |
| 7/16"-14 |
11.113 |
|
1d |
11.1 |
4.9 |
13.3-13.9 |
11.6 |
| 1.814 |
1.5d |
16.7 |
7.9 |
| |
2d |
22.2 |
10.7 |
| 7/16"-20 |
11.113 |
|
1d |
11.1 |
7 |
13.3-13.7 |
11.4 |
| 1.27 |
1.5d |
16.7 |
11.1 |
| |
2d |
22.2 |
15 |
| 1/2"-13 |
12.7 |
|
1d |
12.7 |
5.2 |
15.1-15.7 |
13.2 |
| 1.954 |
1.5d |
19.1 |
8.3 |
| |
2d |
25.4 |
11.4 |
| 1/2"-20 |
12.7 |
|
1d |
12.7 |
7.9 |
15-15.6 |
13.0 |
| 1.27 |
1.5d |
19.1 |
12.8 |
| |
2d |
25.4 |
17.3 |
| 9/16"-18 |
14.288 |
|
1d |
14.3 |
7.9 |
16.91-17.55 |
14.6 |
| 1.411 |
1.5d |
21.5 |
12 |
| |
2d |
28.6 |
16 |
| 5/8"-11 |
15.875 |
|
1d |
15.9 |
5.7 |
18.8-19.4 |
16.5 |
| 2.309 |
1.5d |
23.8 |
9 |
| |
2d |
31.8 |
12.3 |
| 5/8"-18 |
15.875 |
|
1d |
15.9 |
9.4 |
18.6-19.3 |
16.2 |
| 1.411 |
1.5d |
23.8 |
14.5 |
| |
2d |
31.8 |
19.7 |
| 3/4"-10 |
19.05 |
|
1d |
19.1 |
6.3 |
22.3-23.0 |
19.7 |
| 2.54 |
1.5d |
28.6 |
9.9 |
| |
2d |
38.1 |
13.5 |
| 3/4"-16 |
19.05 |
|
1d |
19.1 |
10.1 |
22.2-22.8 |
19.4 |
| 1.588 |
1.5d |
28.6 |
15.6 |
| |
2d |
31.8 |
21 |
| 7/8"-14 |
22.225 |
|
1d |
22.2 |
10.3 |
25.9-26.7 |
22.6 |
| 1.814 |
1.5d |
33.3 |
15.9 |
| |
2d |
44.5 |
21.6 |
| 1"-8 |
25.4 |
|
1d |
25.4 |
6.8 |
29.6-30.4 |
26.1 |
| 3.175 |
1.5d |
38.1 |
10.6 |
| |
2d |
50.8 |
15.4 |
| 1"-12 |
25.4 |
2.117 |
1d |
25.4 |
10 |
29.6-30.4 |
30.0 |
| 1.5d |
38.1 |
15.6 |
| 1"-14 |
25.4 |
|
1d |
25.4 |
11.8 |
29.6-30.4 |
25.9 |
| 1.814 |
1.5d |
38.1 |
18.1 |
| |
2d |
50.8 |
24.5 |