Office & School book binding plastic pvc single spiral coil
Product Description
Inside Diameter |
Wire Diameter (mm) |
Max Thickness (mm) |
Pitch |
1/4'' (6.4mm) |
1.27 |
3.4 |
6 |
5/16'' (7.9mm) |
1.27 |
4.9 |
6 |
3/8'' (9.5mm) |
1.57 |
6.5 |
6 |
7/16'' (11.1mm) |
1.57 |
8.1 |
6 |
1/2'' (12.7mm) |
1.78 |
9.7 |
6 |
9/16'' (14.3mm) |
1.78 |
11.3 |
6 or 8 |
5/8'' (15.9mm) |
1.78 |
12.9 |
6 or 8 |
3/4'' (19.1mm) |
1.91 |
15.1 |
6 or 8 |
7/8'' (22.2mm) |
2.29 |
18.2 |
6 or 8 |
1'' (25.4mm) |
2.29 |
20.4 |
6 or 8 |
1-1/8'' (28.6mm) |
2.29 |
23.6 |
6 or 8 |
1-1/4'' (31.8mm) |
2.29 |
25.8 |
6 or 8 |
1-3/8'' (34.9mm) |
2.79 |
29.2 |
6 or 8 |
1-1/2'' (38.1mm) |
2.79 |
32.1 |
6 or 8 |
1-3/4''(44.5mm) |
2.79 |
38 |
6 or 8 |
2''(50.8mm) |
2.79 |
42.8 |
6 or 8 |
1. Made of high quality raw materials.
2. Easy and convenient to bind; good durability.
3. Various choices of colors (Pantone color).
4. Supply you with different wire diameter as your request.