钢丝牙套产品简介
钢丝牙套又叫钢丝螺套、螺套、螺纹衬套、钢丝牙套又叫钢丝螺套、螺套、螺纹衬套、螺纹护套、丝套，是为保护有色金属螺纹孔而发展的嵌入物，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。钢丝牙套可以提高螺纹的疲劳强度，减少螺纹的磨损和抗腐蚀性能，从而延长螺孔寿命。
二、钢丝牙套的用途
1、增强连接强度、改善连接条件。
2、耐磨损。
3、增大受力面。
4、防松脱。
5、便于维修。
二、钢丝牙套常用规格尺寸
1、公制钢丝牙套规格尺寸表
钢丝牙套规格参数
螺纹规格d×p
k×d
钢丝牙套安装后长度L(mm)
钻头直径do(mm)
自由状态下外径Dz(mm)
自由状态螺套圈数N(≈)
M2×0.4
1d
2
2
2.6-2.8
2.9
M2.5×0.45
1d
2.5
2.6
3.3-3.5
3.5
M3×0.5
1d
3
3.1
3.8-4.0
4
M4×0.7
1d
4
4.1
5.15-5.35
3.7
M5×0.8
1d
5
5.2
6.35-6.6
4.3
M6×1
1d
6
6.2
7.6-7.85
4.2
M7×1
1d
7
7.2
8.65-8.9
5.4
M8×1
1d
8
8.2
9.85-10.1
6.1
M8×1.25
1d
8
8.3
9.85-10.1
4.7
M10×1
1d
10
10.2
12.1-12.5
7.6
M10×1.5
1d
10
10.3
12.1-12.5
5
M12×1.5
1d
12
12.4
14.4-14.8
6.2
M12×1.75
1d
12
12.4
14.4-14.8
5.2
M14×1.5
1d
14
14.4
17.2-17.7
7
M16×1.5
1d
16
16.4
19.4-19.9
8.3
M16×2
1d
16
16.5
19.4-19.9
6.0
M18×1.5
0.5d
9
18.4
21.5-22
4.4
M20×1.5
0.75d
15
20.4
23.7-24.2
8
M20×2.5
1d
20
20.5
23.7-24.2
6.3
M22×1.5
0.75d
16.5
22.4
26.3-26.8
8.6
M24×1.5
0.75d
18
24.4
28.6-29.1
9.5
M24×3
1d
24
24.6
28.6-29.1
6.3
M26×1.5
0.5d
13
26.4
30.5-31
6.7
M27×1.5
0.5d
13.5
27.4
32.2-32.7
6.7
M27×2
0.5d
13.5
27.5
32.2-32.7
6.7
M30×1..5
0.5d
15
30.4
35.2-35.7
7.8
M30×3.5
1d
30
30.7
35.2-35.7
7
M33×1.5
0.5d
16.6
33.4
38.3-38.8
9.1
M39×2
0.5d
19.5
39.5
45.1-45.6
7.9
M60×4
0.5d
32
64.9
65-66
7.3
1.5d
2d
3
4
4.7
6.5
1.5d
2d
3.75
5
5.9
8.1
1.5d
2d
4.5
6
6.3
8.7
1.5d
2d
6
8
6
8.4
1.5d
2d
7.5
10
6.9
9.7
1.5d
2d
9
12
7
9.6
1.5d
2d
10.5
14
8.5
11.6
1.5d
2d
12
16
9.5
13
1.5d
2d
12
16
7.4
10.6
1.5d
2d
15
20
12
16.3
1.5d
2d
15
20
8
11.2
1.5d
2d
18
24
9.8
13.5
1.5d
2d
18
24
8.4
11.7
1.5d
2d
21
28
11.2
15.3
1.5d
2d
24
32
13
17.7
1.5d
2d
24
32
9.7
13.3
1.0d
1.5d
18
27
9.5
15
1d
1.5d
20
30
10.7
16.7
1.5d
2d
30
40
10
13.7
1d
1.5d
22
33
11.7
18
1d
1.5d
24
36
13
19.8
1.5d
2d
36
48
10
14
0.75d
1d
19.5
26
10.7
14.6
0.75d
1d
20.3
27
10.7
14.6
0.75d
1d
20.3
27
10.7
14.6
0.75d
1d
22.5
30
12.2
16.5
1.5d
2d
45
60
11
14.9
0.75d
1d
24.5
33
13.7
18.3
0.75d
1d
29.25
39
12.2
16.6
1d
64
15.6
2、英制钢丝牙套规格尺寸表
钢丝牙套规格参数
螺纹规格d×p
k×d
钢丝牙套安装后长度L(mm)
钻头直径do(mm)
自由状态下外径Dz(mm
自由状态螺套圈数N(≈)
4-40
1d
2.9
3
3.66-4.04
3.2
5-40
1d
3.2
3.4
4.01-4.39
3.7
6-32
1d
3.5
3.7
4.52-4.90
2.8
8-32
1d
4.2
4.4
5.20-5.56
4.0
10-24
1d
4.8
5.1
6.19-6.58
3.3
12-24
1d
5.5
5.8
6.86-7.24
4.0
1/4"-20
1d
6.4
6.7
7.86-8.38
3.9
3/8"-16
1d
9.5
9.9
11.48-11.99
4.8
7/16"-14
1d
11.1
11.6
13.36-13.99
4.9
1/2"-13
1d
12.7
13.1
15.16-15.8
5.2
5/8"-11
1d
15.9
16.4
18.84-19.48
5.7
3/4"-10
1d
19.1
19.6
22.36-23.00
6.3
1"-8
1d
25.4
26.1
29.62-30.38
6.8
8-36
1d
4.2
4.3
5.18-5.68
4.5
10-32
1d
4.83
5.0
5.99-6.50
4.1
1/4"-28
1d
6.35
6.6
7.77-8.28
5.0
5/16"-24
1d
7.9
8.2
9.65-10.16
5.9
3/8"-24
1d
9.5
9.8
11.37-11.88
7.3
7/16"-20
1d
11.1
11.4
13.3-13.7
7.0
1/2"-20
1d
12.7
13.0
15.03-15.67
7.9
9/16"-18
1d
14.3
14.6
16.91-17.55
7.9
5/8"-18
1d
15.9
16.2
18.61-19.25
9.4
3/4"-16
1d
19.1
19.4
22.25-22.88
10.1
7/8"-14
1d
22.2
22.6
25.93-26.69
10.3
1"-14
1d
25.4
25.9
29.69-30.45
11.8
1"-12
1d
25.4
30.0
29.69-30.45
10.0
1.5d
2d
4.3
5.8
5.1
7.2
1.5d
2d
4.8
6.4
5.9
8.2
1.5d
2d
5.3
7.0
4.8
6.8
1.5d
2d
6.25
8.3
6.0
8.7
1.5d
2d
7.2
9.6
5.4
7.5
1.5d
2d
8.2
11.0
6.3
8.8
1.5d
2d
9.5
12.7
6.2
8.6
1.5d
2d
14.3
19.1
7.7
10.6
1.5d
2d
16.7
22.2
7.9
10.7
1.5d
2d
19.1
25.4
8.3
11.4
1.5d
2d
23.8
31.8
9.0
12.3
1.5d
2d
28.6
38.1
9.9
13.5
1.5d
2d
38.1
50.8
10.6
15.4
1.5d
2d
6.3
8.3
7.2
9.7
1.5d
2d
7.24
9.6
6.9
10
1.5d
2d
9.5
12.7
8.6
11.8
1.5d
2d
11.9
15.9
9.4
12.8
1.5d
2d
14.3
19.1
11.5
15.6
1.5d
2d
16.7
22.2
11.1
15.0
1.5d
2d
19.1
25.4
12.8
17.3
1.5d
2d
21.5
28.6
12.0
16.0
1.5d
2d
23.8
31.8
14.5
19.7
1.5d
2d
28.6
31.8
15.6
21.0
1.5d
2d
33.3
44.5
15.9
21.6
1.5d
2d
38.1
50.8
18.1
24.5
1.5d
38.1
15.6