| mm | Inches | Recommend # of Sheets (20 lb) |
| 6 | 1/4″ | 30 |
| 7 | 9/32″ | 42 |
| 8 | 5/16″ | 52 |
| 9 | 11/32″ | 65 |
| 10 | 3/8″ | 75 |
| 11 | 7/16″ | 85 |
| 12 | 15/32″ | 92 |
| 13 | 1/2″ | 105 |
| 14 | 9/16″ | 115 |
| 15 | 19/32″ | 125 |
| 16 | 5/8″ | 135 |
| 18 | 11/16″ | 155 |
| 20 | 3/4″ | 172 |
| 22 | 7/8″ | 190 |
| 25 | 1″ | 220 |
| 28 | 1-1/8″ | 250 |
| 30 | 1-3/16″ | 270 |
| 32 | 1-1/4″ | 280 |
Coil
Spiral Coil is quickly becoming the most popular binding option. It is ideal for cookbooks, instructional manuals, calendars and presentations. It has the ability to turn cover to cover and lay completely flat when open for easier reading. Spiral Coil is made of plastic and therefore more durable and is an excellent choice for documents. It has numerous color options making it very easy to coordinate and match your report cover stock.
Our Spiral Coil is CPSIA Compliant, Phthalate Free, and Lead Free.
We offer Spiral Coil in 4:1 pitch, 12″ and 36″ lengths, up to 50mm in diameter size, and in a wide assortment of colors. Custom colors, lengths and special pitches are also available upon request.
