Description
Plastic Coils 4:1 (Black) are used in conjunction with your binding system to create high quality, durable documents.
- These binding spines allow your materials to lay flat or be folded back-to-back, which is excellent for taking notes and quick page-turning.
- Available in over 4 colours and a wide variety of sizes, this binding style offers a high level of versatility.
- Plastic coil binding allows a book to lie completely flat when opened cover to cover. In addition, it’s elastic and keeps its shape. It can be easily cut to any length.
You may also like to see Bind Covers. Click here! We carry all about binding supplies as well!
Specification
| Pitch | 4:1 |
| Available Sizes | 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 32mm |
| Loops | 48 |
| Length | 12″ (30.48 cm) |
| Available Colors | Black, Blue, White and Clear |
| Pieces per box | 50pcs |
| Boxes per carton | 10 boxes (6mm-16mm / 1/4″-5/8″), 6 boxes (18mm-32mm / 11/16″/1-1/4″) |
Which coil size should I buy?
| Number of sheets (based on 20lb bond) | Coil size | |
| 30 sheets | 1/4″ | 6mm |
| 42 sheets | 9/32″ | 7mm |
| 52 sheets | 5/16″ | 8mm |
| 65 sheets | 11/32″ | 9mm |
| 75 sheets | 3/8″ | 10mm |
| 85 sheets | 7/16″ | 11mm |
| 92 sheets | 15/32″” | 12mm |
| 105 sheets | 1/2″ | 13mm |
| 115 sheets | 9/16″” | 14mm |
| 125 sheets | 19/32″ | 15mm |
| 135 sheets | 5/8″ | 16mm |
| 155 sheets | 11/16″ | 18mm |
| 172 sheets | 3/4″ | 20mm |
| 190 sheets | 7/8″ | 22mm |
| 220 sheets | 1″ | 25mm |
| 250 sheets | 1-1/8″ | 28mm |
| 270 sheets | 1-3/16″ | 30mm |
| 280 sheets | 1-1/4″ | 32mm |
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