钻孔直径 mm.

螺纹规格          不锈钢
M3X0.5
2.7
2.7
M4X0.7
3.7
3.7
M5X0.8
4.5
4.6
M6X1.0
5.3
5.4
M8X1.25
7.3
7.4
M10X1.5
9.2
9.3
M12X1.75
10.9
10.9
M14X2.0
13.0
13.0
M16X2.0
14.8
14.8
M18X2.5
16.7
16.7
M20X2.5
18.7
18.7
BSP
1/8BSP
9.2
9.2
1/4 BSP
12.4
12.4
3/8 BSP
15.9
15.9
1/2 BSP
19.9
19.9
3/4 BSP
25.4
25.4
1/1 BSP
31.9
31.9
UNC
N°5 UNC (40)
2.9
2.9
N°6 UNC (32)
3.1
3.1
N°8 UNC (32)
3.8
3.8
N°10 UNC (24)
4.3
4.3
N°12 UNC (24)
4.9
4.9
1/4 UNC (20)
5.7
5.7
5/16 UNC (18)
7.2
7.2
3/8 UNC (16)
8.7
8.7
7/16 UNC (14)
10.2
10.2
1/2 UNC (13)
11.7
11.7
9/16 UNC (12)
13.2
13.2
5/8 UNC (11)
14.7
14.7
3/4 UNC (10)
17.8
17.8
M6X0.75
5.6
5.6
M6X0.5
5.8
5.8
M8X1.0
7.5
7.5
M8X0.75
7.6
7.6
M10X1.25
9.3
9.3
M10X1.0
9.5
9.5
M12X1.5
11.2
11.2
M12X1.0
11.5
11.5
M16X1.5
15.2
15.2
M16X1.0
15.5
15.5
M18X1.5
17.2
17.2
UNF
N°5 UNF (44)
2.9
2.9
N°6 UNF (40)
3.2
3.2
N°8 UNF (36)
3.9
3.9
N°10 UNF (32)
4.4
4.4
N°12 UNF (28)
5.0
5.0
1/4 UNF (28)
5.9
5.9
5/16 UNF (24)
7.4
7.4
3/8 UNF (24)
9.0
9.0
7/16 UNF (20)
10.4
10.4
1/2 UNF (20)
12.1
12.1
9/16 UNF (18)
13.6
13.6
5/8 UNF (18)
15.2
15.2
3/4 UNF (16)
18.3
18.3
NPT