螺纹牙套钻孔尺寸表

公制钢丝螺套使用参数表符号说明：
d--钢丝螺套公称直径（螺钉公称直径）K--钢丝螺套公称长度t--丝套公称长度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螺纹规格d×p k×d t(mm) do(mm) Dz(mm) N(≈)
2×0.4
1d
1.5d
2d
2
3
4
2 2.6-2.8
2.9
4.7
6.5
2.5×0.45
1d
1.5d
2d
2.5
3.75
5
2.6
3.3-3.5
3.5
5.9
8.1
3×0.5
1d
1.5d
2d
3
4.5
6
3.1 3.8-
4.0
4
6.3
8.7
4×0.7
1d
1.5d
2d
4
6
8
4.1
5.15-5.35
3.7
6
8.4
5×0.8
1d
1.5d
2d
5
7.5
10
5.2
6.35-6.6
4.3
6.9
9.7
6×1
1d
1.5d
2d
6
9
12
6.2
7.6-7.85
4.2
7
9.6
7×1
1d
1.5d
2d
7
10.5
14
7.2 8.65-8.9
5.4
8.5
11.6
8×1
1d
1.5d
2d
8
12
16
8.2 9.85-10.1
6.1
9.5
13
8×1.25
1d
1.5d
2d
8
12
16
8.3 9.85-10.1
4.7
7.4
10.6
10×1
1d
1.5d
2d
10
15
20
10.2 12.1-12.5
7.6
12
16.3
10×1.5
1d
1.5d
2d
10
15
20
10.3 12.1-12.5
5
8
11.2
12×1.5
1d
1.5d
2d
12
18
24
12.4 14.4-14.8
6.2
9.8
13.5
12×1.75
1d
1.5d
2d
12
18
24
12.4 14.4-14.8
5.2
8.4
11.7
14×1.5
1d
1.5d
2d
14
21
28
14.4 17.2-17.7
7
11.2
15.3
16×1.5
1d
1.5d
2d
16
24
32
16.4 19.4-19.9
8.3
13
17.7
16×2
1d
1.5d
2d
16
24
32
16.5 19.4-19.9
6.0
9.7
13.3
18×1.50.5d
1.0d
1.5d
9
18
27
18.4 21.5-22
4.4
9.5
15
20×1.50.75d
1d
1.5d
15
20
30
20.4 23.7-24.2
8
10.7
16.7
1d 20 6.3
自由状态圈数
20×2.5 1.5d
2d 30
40
20.5 23.7-24.2 10
13.7
22×1.5 0.75d
1d
16.5
22
22.4 26.3-26.8
8.6
11.7
24×1.51d
1.5d 24
36
24.4 28.6-29.1 13
19.8
24×3
1d
1.5d
2d
24
36
48
24.6 28.6-29.1
6.3
10
14
26×1.50.5d
0.75d
1d
13
19.5
26
26.4 30.5-31
6.7
10.7
14.6
27×1.5
0.5d
0.75d
1d
13.5
20.3
27
27.4 32.2-32.7
6.7
10.7
14.6
27×20.5d
0.75d
1d
13.5
20.3
27
27.5 32.2-32.7
6.7
10.7
14.6
30×1..5
0.5d
0.75d
1d
15
22.5
30
30.4 35.2-35.7
7.8
12.2
16.5
30×3.5
1d
1.5d
2d
30
45
60
30.7 35.2-35.7
7
11
14.9
33×1.50.5d
0.75d
1d
16.6
24.5
33
33.4 38.3-38.8
9.1
13.7
18.3
39×2
0.5d
0.75d
1d
19.5
29.25
39
39.5 45.1-45.6
7.9
12.2
16.6
60×40.5d
1d
32
64
64.9 65-66
7.3
15.6
：
d--钢丝螺套公称直径（螺钉公称直径）K--钢丝螺套公称长度t--丝套公称长度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螺纹规格d×p k×d t(mm) do(mm) Dz(mm) N(≈)
螺纹牙套钻孔尺寸表--通制作
公制粗螺纹底孔尺寸范围钻头选择公制粗螺纹底孔尺寸范围钻头选择M3*0.5 3.12--3.20 3.1M8*1.08.25--8.428.3
M4*0.7 4.17--4.30 4.2M10*1.010.25--10.4210.3 M5*0.8 5.16--5.33 5.2M10*1.2510.31--10.5210.4 M6*1.0 6.25--6.42 6.3M12*1.2512.31--12.5212.4 M7*1.07.25--7.427.3M12*1.512.37--12.6212.5 M8*1.258.31--8.528.4M14*1.2514.27--14.414.3 M10*1.510.37--10.6210.5M14*1.514.37--14.6214.5 M12*1.7512.43--12.7312.5M16*1.516.37--16.6216.5 M14*2.014.49--14.8314.5M18*1.518.37--18.6218.5 M16*2.016.49--16.8316.5M20*1.520.37--20.6220.5 M18*2.518.58--19.0419
M20*2.520.58--21.0421。