直径d
长 度 L
公制
英制
4"
6"
8"
10"
12"
14"
16"
18"
20"
100
150
200
250
300
350
400
450
500
1.0
3/64
10.60
11.80
14.00
18.00
22.00
26.50
32.00
1.5
1/16
9.00
10.70
13.50
17.00
21.00
26.00
31.00
38.00
45.50
2.0
5/64
6.80
9.8
12.00
15.50
17.50
20.00
24.00
30.20
34.40
2.5
3/32
6.50
8.80
11.50
16.00
18.50
21.50
25.20
29.5
7/64
3.0
1/8
5.50
8.30
10.50
11.90
14.80
16.80
27.00
3.5
9/64
5.80
7.50
9.30
13.40
17.80
29.00
4.0
5/32
8.00
9.60
13.90
25.00
29.80
4.5
11/64
9.50
11.00
13.00
15.00
20.50
35.00
5.0
3/16
5.5
7/32
10.30
12.50
14.50
16.50
19.00
21.40
30.00
36.00
6.0
14.20
17.20
23.50
6.5
1/4
18.40
21.30
24.30
29.40
33.50
39.50
48.00
7.0
9/32
15.30
18.60
24.60
29.60
34.00
40.00
46.00
8.0
5/16
15.60
19.50
24.50
28.80
33.20
38.20
44.00
49.80
59.00
9
11/32
17.60
31.20
44.50
50.80
58.00
67.00
78.00
10
3/8
37.50
45.00
52.80
63.00
70.00
88.00
11.0
7/16
26.10
47.00
56.00
64.00
74.00
84.00
95.00
105.00
12.0
1/2
38.80
57.80
67.40
76.80
87.20
100.00
115.00
13.0
35.2
47.20
71.20
80.80
97.20
114.80
127.00
139.2
16
5/8
51.20
71.60
94.00
110.00
131.20
152.00
173.00
199.00
219.00
20.0
3/4
79.20
103.2
130.00
156.00
183.00
208.00
243.00
280.00
338.00
25.0
1"
212.00
260.00
316.00
372.00
432.00
492.00
558.00
632.00
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