These dark green spiral binding coils are designed for use in any 4:1 pitch spiral coil binding machine. Made from the highest quality food grade PVC plastic our ColorCoil offers a quality, professional look while binding documents up to 2" thick. Although these particular coils are dark green, we carry 4:1 pitch coil in 45 different colors and in sizes up to 50mm in diameter. Plus, all of our dark green binding coils are CPSIA and ROHS compliant and are made in either Canada or the USA (not China). Please note that most of our dark green 4:1 pitch coil is made to order, is non-returnable and can take an extra 3 - 5 business days to ship. If you need this product in a hurry please give us a call for options before ordering.
| Coil Diameter | Fractional Equivalent (approx.) | Maximum Thickness of Document including Covers | Sheet Capacity (20# Bond) |
|---|---|---|---|
| 6mm | 1/4" | 4mm - 5/32" | 30 |
| 7mm | 9/32" | 5mm - 3/16" | 42 |
| 8mm | 5/16" | 6mm - 7/32" | 54 |
| 9mm | 11/32" | 7mm - 1/4" | 65 |
| 10mm | 3/8" | 8mm - 5/16" | 75 |
| 11mm | 7/16" | 9mm - 11/32" | 85 |
| 12mm | 15/32" | 10mm - 3/8" | 92 |
| 13mm | 1/2" | 11mm - 13/32" | 105 |
| 14mm | 9/16" | 12mm - 7/16" | 115 |
| 15mm | 19/32" | 13mm - 1/2" | 125 |
| 16mm | 5/8" | 14mm - 17/32" | 135 |
| 17mm | 21/32" | 15mm - 9/16" | 142 |
| 18mm | 11/16" | 16mm - 5/8" | 155 |
| 19mm | 23/32" | 17mm - 11/16" | 160 |
| 20mm | 3/4" | 18mm - 23/32" | 172 |
| 22mm | 7/8" | 20mm - 3/4" | 190 |
| 23mm | 15/16" | 21mm - 27/32" | 200 |
| 25mm | 1" | 22mm - 7/8" | 220 |
| 28mm | 1-1/8" | 25mm - 1" | 250 |
| 30mm | 1-3/16" | 27mm - 1 1/16" | 270 |
| 32mm | 1-1/4" | 29mm - 1 1/8" | 280 |
| 35mm | 1-3/8" | 32mm - 1 1/4" | 310 |
| 38mm | 1-1/2" | 34mm - 1 5/16" | 330 |
| 42mm | 1-11/16" | 38mm - 1 1/2" | 350 |
| 45mm | 1-3/4" | 41mm - 1 5/8" | 390 |
| 50mm | 2" | 46mm - 1 13/16" | 440 |
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