HongKong Sudi Stationery Limited
China Spiral Binding Coil Manufacturer Various types of text booklet calendars, spiral binding coils
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Popular Accessories Metal Spiral Binding Coils In Top Quality
Raw material of double loop wire:
Our double wires are made of imported nylon-coated wire. The outer are coated with bright color,thin and well-proporitioned nylon, the inner are made of rigid steel. No matter the appearance or durability, they are far better than the ordinary double wires.
Specifications :
| Coil Inner Diameter | Recommended Max.Book Thickness | Pitch | |
| Inch | MM | MM | MM |
| 1/4 | 6.4 | 3.4 | 6 |
| 5/16 | 7.9 | 4.9 | 6 |
| 3/8 | 9.5 | 6.5 | 6 |
| 7/16 | 11.1 | 8.1 | 6 |
| 1/2 | 12.7 | 9.7 | 6 |
| 9/16 | 14.3 | 11.3 | 6 |
| 5/8 | 15.9 | 12.9 | 6 |
| 3/4 | 19.1 | 15.1 | 6 |
| 7/8 | 22.2 | 18.2 | 6 |
| 1 | 25.4 | 20.4 | 6 OR 8 |
| 1-1/4 | 31.8 | 25.8 | 6 OR 8 |
| 1-1/2 | 38.1 | 32.1 | 6 OR 8 |
| 2 | 50.8 | 42.8 | 6 OR 8 |
| 3 | 76.2 | 60 | 6 OR 8 |
| 4 | 100 | 80 | 6 OR 8 |
Advantage :
1. Factory supply with competive price ;
2. Wide range of color choice ;
3. Pre-cutting service for free ;
4. Widely used in various kinds of booking binding ;
5. Fast delivery .
Our factory specilizes in manufacturing high quality book binding materials, such as nylon coated double loop wire, plastic coil, nylon coated metal coil, nylon coated calendar hanger, plastic comb...etc and related book binding machines. Our company has passed ISO9001 international quality system. All of our binding materials passed strict SGS testing and binding machines with CE certificate. They meet the standards of Euro-American markets.
