20mm Purple 4:1 Pitch Spiral Binding Coil - 100pk
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20mm Purple 4:1 Pitch Spiral Binding Coil - 100pk
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Product Description
This 20mm Purple spiral binding coil is 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 Purple we carry 4:1 pitch coil in 45 different colors and in sizes up to 50mm in diameter. These 20mm coils are designed to bind documents that are up to 4mm (5/32") including covers. Plus, all of our Purple binding coils are CPSIA and ROHS compliant and are made in either Canada or the USA (not China).
Please Note that most of our Purple 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.
Product Details
- Product Type: Coil Binding Spines
- Color: Purple
- Diameter: 20mm
- Pitch: 4:1 (4 Holes Per Inch)
- Approximate Capacity: 54 Sheets (20# Bond)
- Length: 12" Letter (or choose other length)
- Quantity: 100 Per Box
- Part Number: P167-20-12
Coil Sizing Guide
| Coil Diameter | Fractional Equivalent (approx.) | Maximum Thickness of Document including Covers | Approximate Maximum Number of Sheets (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 |
