loose-leaf binding coil, wire binding coil, metal binding rings
metal binding coil/meta binding spiral coil/double ring coil
material: iron/metal
color: various. red, black, white, etc. can be customerized
size: different sizes available according to different needs
single ring, double ring for choose
metal binding coil/meta binding spiral coil/double ring coil
inner diameters vary from 6mm to 51mm
spiral binding coils also available
metal single-ring coil |
plastic single-ring coil |
||||||
inner diameter |
MAX binding thickness |
loop distance |
inner diameter |
MAX binding thickness |
loop distance |
||
inch |
MM |
MM |
MM |
inch |
MM |
MM |
MM |
1/4 |
6.4 |
3.4 |
68 |
1/4 |
6.4 |
1.27 |
58 |
5/16 |
7.9 |
4.9 |
5/16 |
7.9 |
|||
3/8 |
9.5 |
6.5 |
3/8 |
9.5 |
1.57 |
||
7/16 |
11.1 |
8.1 |
7/16 |
11.1 |
|||
1/2 |
12.7 |
9.7 |
1/2 |
12.7 |
1.78 |
||
9/16 |
14.3 |
11.3 |
9/16 |
14.3 |
|||
5/8 |
15.9 |
12.9 |
5/8 |
15.9 |
|||
3/4 |
19.1 |
15.1 |
3/4 |
19.1 |
|||
7/8 |
22.2 |
18.2 |
7/8 |
22.2 |
2.29 |
||
1 |
25.4 |
20.4 |
1 |
25.4 |
|||
1-1/4 |
31.8 |
25.8 |
1-1/4 |
31.8 |
3.0 |
||
1-1/2 |
38.1 |
32.1 |
1-1/2 |
38.1 |
|||
2 |
50.8 |
42.8 |
2 |
50.8 |
|||
Taoyuan statioenry |