HongKong Sudi Stationery Limited
China Spiral Binding Coil Manufacturer Various types of text booklet calendars, spiral binding coils
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Quality Guarantee Wire Spiral Binding Coils For All Kind Of Coil Books
Product description
Give your papers, files, and documents a professional touch with these plastic spiral binding coils. These binding coils can help to hold and organize a variety of paper sheets and files with one coil. They are also perfect to use at home or for the office. These durable coil spines will hold your documents and papers securely in place.
Quick Details :
a. Made of good quality steel wire ;
b. Electroplated in various customized color ;
c. Diameter range from 1/4" to 2" ;
d. Ring number is 35 rings .
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 |