HongKong Sudi Stationery Limited
China Spiral Binding Coil Manufacturer Various types of text booklet calendars, spiral binding coils
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Wholesale Electroplated Gold Metal Spiral Binding Coils For Children's Book
Description
Our steel spirals are made of imported nylon-coated wire. The outer are coated with bright color, Thin and well- proportioned nylon, the inner are made of rigid steel. No matter the apperance or durability, They are far better then the ordinary steel spiral.
Advantages:
1. Made of imported high quality nylon-coated wire
2. full range of diameter from 1/4'' to 1-1/2'', accurate pitch, pitch can be special-ordered.
3. Large inventory, fast delivery
4. pre-cutting service for free
5. Wide range of colors choices, including gold, silver, bronze and a variety of flashing colors.
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 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 |