Steel Products
Stone Products
Titanium Products
Acrylic Products
|
| Italian size |
French size |
American size |
English size |
Diameter in cm |
Circumference in cm |
China |
| 1 |
41 |
|
B |
1.30 |
4.08 |
|
| 2 |
41.50 |
2 |
D |
1.33 |
4.18 |
|
| 2 |
42 |
|
D |
1.33 |
4.18 |
2 |
| 2.50 |
42.75 |
2.5 |
E |
1.35 |
4.24 |
|
| 3 |
43 |
|
|
1.36 |
4.27 |
3 |
| 4 |
44 |
3 |
F |
1.40 |
4.40 |
4 |
| 5 |
45 |
|
|
1.43 |
4.49 |
5 |
| 5.50 |
45.50 |
3.5 |
G |
1.45 |
4.55 |
|
| 6 |
46 |
|
H |
1.46 |
4.58 |
6 |
| 6.75 |
46.75 |
4 |
H-1/2 |
1.47 |
4.62 |
|
| 7 |
47 |
|
I |
1.49 |
4.68 |
7 |
| 8 |
48 |
4.5 |
I-1/2 |
1.53 |
4.80 |
8 |
| 9 |
49 |
|
J |
1.56 |
4.90 |
9 |
| 9.50 |
49.25 |
5 |
J-1/2 |
1.58 |
4.96 |
|
| 10 |
50 |
|
K |
1.60 |
5.02 |
10 |
| 10.5 |
50.50 |
5.5 |
L |
1.61 |
5.06 |
|
| 11 |
51 |
|
L-1/2 |
1.62 |
5.09 |
11 |
| 11.5 |
51.50 |
6 |
M |
1.63 |
5.12 |
12 |
| 12 |
52 |
|
|
1.65 |
5.18 |
|
| 12.5 |
52.5 |
|
|
1.66 |
5.21 |
13 |
| 13 |
53 |
6.5 |
N |
1.68 |
5.28 |
|
| 13.5 |
53.50 |
|
|
1.70 |
5.34 |
|
| 14 |
54 |
|
|
1.72 |
5.40 |
14 |
| 14.5 |
54.50 |
7 |
O |
1.73 |
5.43 |
|
| 15 |
55 |
|
|
1.74 |
5.46 |
15 |
| 15.5 |
55.50 |
|
|
1.76 |
5.53 |
|
| 16 |
56 |
7.5 |
P |
1.78 |
5.59 |
16 |
| 16.5 |
56.50 |
|
|
1.80 |
5.65 |
|
| 17 |
57 |
8 |
Q |
1.81 |
5.68 |
17 |
| 17.5 |
57.50 |
|
|
1.83 |
5.75 |
|
| 18 |
58 |
|
|
1.85 |
5.81 |
18 |
| 18.5 |
58.50 |
8.5 |
|
1.86 |
5.84 |
|
| 19 |
59 |
|
R |
1.88 |
5.90 |
19 |
| 19.5 |
59.75 |
9 |
|
1.90 |
5.97 |
|
| 20 |
60 |
|
S |
1.92 |
6.03 |
20 |
| 20.5 |
60.50 |
|
|
1.93 |
6.06 |
|
| 21 |
61 |
9.5 |
|
1.95 |
6.12 |
21 |
| 21.5 |
61.50 |
|
T |
1.96 |
6.15 |
22 |
| 22 |
62 |
10 |
T-1/2 |
1.98 |
6.22 |
|
| 22.5 |
62.50 |
|
U |
1.99 |
6.25 |
23 |
| 23 |
63 |
|
|
2 |
6.28 |
|
| 23.5 |
63.50 |
10.5 |
U-1/2 |
2.02 |
6.34 |
|
| 24 |
64 |
|
V |
2.04 |
6.41 |
24 |
| 24.5 |
64.50 |
|
|
2.05 |
6.44 |
|
| 25 |
65 |
11 |
W |
2.06 |
6.47 |
25 |
| 25.5 |
65.50 |
|
|
2.08 |
6.53 |
|
| 26 |
66 |
|
X |
2.10 |
6.59 |
26 |
| 26.5 |
66.25 |
11.5 |
|
2.11 |
6.63 |
|
| 27 |
67 |
|
|
2.12 |
6.66 |
27 |
| 27.5 |
67.50 |
12 |
Y |
2.13 |
6.69 |
|
| 28 |
68 |
|
|
2.15 |
6.75 |
28 |
| 28.5 |
68.75 |
12.5 |
Z |
2.17 |
6.81 |
|
| 29 |
69 |
|
|
2.19 |
6.88 |
29 |
| 29.5 |
69.50 |
|
|
2.20 |
6.91 |
|
| 30 |
70 |
13 |
1 |
2.22 |
6.97 |
30 |
| 31 |
71 |
|
2 |
2.25 |
7.07 |
31 |
| 32 |
72 |
|
|
2.29 |
7.19 |
32 |
| 33 |
73 |
|
3 |
2.33 |
7.32 |
33 |
|
|