INSIDE DIAMETER
|
CONVERSION CHART
|
|||
INCHES
|
MM
|
UK
|
US
|
EUROPE
|
0.52
|
12.84
|
D
|
2.25
|
41
|
0.53
|
13.57
|
E
|
2.75
|
42
|
0.55
|
13.97
|
F
|
3.25
|
44
|
0.56
|
14.38
|
G
|
3.75
|
45
|
0.58
|
14.88
|
H
|
4.25
|
46.5
|
0.59
|
15.10
|
I
|
4.5
|
47
|
0.60
|
15.49
|
J
|
5
|
48.5
|
0.62
|
15.90
|
K
|
5.5
|
50
|
0.64
|
16.31
|
L
|
6
|
51
|
0.65
|
16.71
|
M
|
6.5
|
52
|
0.67
|
17.12
|
N
|
6.75
|
53.5
|
0.69
|
17.53
|
O
|
7
|
55
|
0.70
|
17.93
|
P
|
7.5
|
56
|
0.72
|
18.34
|
Q
|
8
|
57
|
0.73
|
18.75
|
R
|
8.5
|
58.5
|
0.75
|
19.15
|
S
|
9
|
59.5
|
0.77
|
19.56
|
T
|
9.5
|
61
|
0.78
|
19.81
|
U
|
10
|
62.5
|
0.79
|
20.17
|
V
|
10.5
|
63
|
0.81
|
20.61
|
W
|
11
|
65
|
0.83
|
20.99
|
X
|
11.5
|
66
|
0.84
|
21.32
|
Y
|
12
|
67.5
|
0.85
|
21.71
|
Z
|
12.5
|
69
|
0.87
|
22.10
|
Z+1
|
13
|
70.5
|