White Double Loop Wire O Spool
YPS double Loop wire binding spools are formed from the highest quality wire and have got top ratings from the most demanding users. The sides are more rigid that other brands and this also improves productivity. twin Spools are available in both 2:1 and 3:1 pitches and in black, white and silver. Our Presco premium quality wire spools offer excellent value.
Description
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Advantage:
1). High Level environmental protection material , No wrinkles, Coated broken, Chromatic aberration, specially Gold & Silver color.
2). Precise pitch, no bad loops & few joints in whole spool; uniform pitch, ensure automatic binding machine working smoothly, reduce loss, improve efficiency and savecost.
3).The package is firm without looseness, there are no potential safety hazard for wooden wheel and other parts. Ensure the safe use of staff.
4). Any color and OEM color can make in spool, except for plating wire o and 1-3/4.
5).3 standard kinds of spool for your choice, Accept OEM loops and package.
Double Wire O Pitch and Size:
This is everything you need to know about wire spool. First, there are sizes ranging from a 6mm diameter all the way to 44mm. The smallest size can hold up to 30 pages and the largest can hold up to 440. you can measure the thickness of the book and chose the size you need.

1)Twin Loop Wire Binding Spool Size and Data Sheet:

Wire Binding Spool Data:
| Pitch | Inch | MM | Wire | NO.1 | NO.2 | NO.3 |
| 3:1 | 1/4" | 6.4 | 0.70 | 99,000 | 84,000 | 80,000 |
| 3:1 | 5/16" | 7.9 | 0.80 | 71,500 | 60,000 | 58,000 |
| 3:1 | 3/8" | 9.5 | 0.80 | 50,000 | 43,000 | 42,000 |
| 3:1 | 7/16" | 11.1 | 0.90 | 38,600 | 32,000 | 28,000 |
| 3:1 | 1/2" | 12.7 | 0.90 | 30,000 | 24,000 | 24,000 |
| 3:1 | 9/16" | 14.3 | 1.00 | 21,500 | 19,300 | 18,000 |
| 3:1 | 5/8" | 15.9 | 1.00 | 19,300 | 15,000 | 15,000 |
| 2:1 | 5/8" | 15.9 | 1.10 | 12,300 | 10,500 | 10,500 |
| 2:1 | 3/4 | 19.1 | 1.15 | 8,000 | 7,000 | 7,000 |
| 2:1 | 7/8" | 22.2 | 1.20 | 6,100 | 5,000 | 4,500 |
| 2:1 | 1" | 25.4 | 1.25 | 4,400 | 4,500 | 3,600 |
| 2:1 | 1-1/8" | 28.6 | 1.40 | 3,400 | 3,200 | 3,000 |
| 2:1 | 1-1/4" | 31.8 | 1.40 | 2,600 | 2,100 | 2,100 |
Our wire o spools have been tested on many different automatic wire binding machines with outstanding results, It's not only for book binding also use for calendar.
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