|
ขนาด
|
ความหนา (มิลลิเมตร)
|
จำนวนเส้น / มัด
|
|||||||||||
|
นิ้ว
|
O.D.
|
1.2
|
1.5
|
1.8
|
2.0
|
2.3
|
2.8
|
3.2
|
|||||
|
1/2″
|
21.7
|
3.11
|
3.67
|
4.52
|
–
|
–
|
–
|
–
|
217
|
||||
|
3/4″
|
27.2
|
4.2
|
4.96
|
5.72
|
7.06
|
7.82
|
–
|
–
|
217
|
||||
|
1″
|
34.0
|
5.39
|
6.37
|
7.35
|
9.06
|
10.04
|
12.74
|
14.21
|
169
|
||||
|
1.1/4″
|
42.7
|
6.68
|
7.90
|
9.11
|
11.24
|
12.46
|
15.80
|
17.62
|
91
|
||||
|
1.1/2″
|
48.6
|
7.67
|
9.06
|
10.46
|
12.9
|
14.29
|
18.12
|
20.22
|
91
|
||||
|
2″
|
60.5
|
9.48
|
11.21
|
12.93
|
15.95
|
17.80
|
22.41
|
25
|
61
|
||||
|
2.1/2″
|
76.3
|
12.07
|
14.27
|
16.46
|
20.30
|
22.5
|
28.53
|
31.83
|
37
|
||||
|
3″
|
89.1
|
14.14
|
16.72
|
19.29
|
23.79
|
26.36
|
33.43
|
37.29
|
37
|
||||