These tan 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 tan, we carry 4:1 pitch coil in 47 different colors and in sizes up to 32mm in diameter. Plus, all of our tan binding coils are CPSIA and ROHS compliant and are made in either Canada or the USA (not China). P
| Coil Diameter | Part Number | Fractional Equivalent (approx.) | Maximum Thickness of Document including Covers | Sheet Capcity (20# Bond) |
| 6mm | P4T0612 | 1/4" | 4mm - 5/32" | 30 |
| 7mm | P4T0712 | 9/32" | 5mm - 3/16" | 42 |
| 8mm | P4T0812 | 5/16" | 6mm - 7/32" | 54 |
| 9mm | P4T0912 | 11/32" | 7mm - 1/4" | 65 |
| 10mm | P4T1012 | 3/8" | 8mm - 5/16" | 75 |
| 11mm | P4T1112 | 7/16" | 9mm - 11/32" | 85 |
| 12mm | P4T1212 | 15/32" | 10mm - 3/8" | 92 |
| 13mm | P4T1312 | 1/2" | 11mm - 13/32" | 105 |
| 14mm | P4T1412 | 9/16" | 12mm - 7/16" | 115 |
| 15mm | P4T1512 | 19/32" | 13mm - 1/2" | 125 |
| 16mm | P4T1612 | 5/8" | 14mm - 17/32" | 135 |
| 17mm | P4T1712 | 21/32" | 15mm - 9/16" | 142 |
| 18mm | P4T1812 | 11/16" | 16mm - 5/8" | 155 |
| 19mm | P4T1912 | 23/32" | 17mm - 11/16" | 160 |
| 20mm | P4T2012 | 3/4" | 18mm - 23/32" | 172 |
| 22mm | P4T2212 | 7/8" | 20mm - 3/4" | 190 |
| 23mm | P4T2312 | 15/16" | 21mm - 27/32" | 200 |
| 25mm | P4T2512 | 1" | 22mm - 7/8" | 220 |
| 28mm | P4T2812 | 1-1/8" | 25mm - 1" | 250 |
| 30mm | P4T3012 | 1-3/16" | 27mm - 1 1/16" | 270 |
| 32mm | P4T3212 | 1-1/4" | 29mm - 1 1/8" | 280 |
| 35mm | P4T3512 | 1-3/8" | 32mm - 1 1/4" | 310 |
| 38mm | P4T3812 | 1-1/2" | 34mm - 1 5/16" | 330 |
| 42mm | P4T4212 | 1-11/16" | 38mm - 1 1/2" | 350 |
| 45mm | P4T4512 | 1-3/4" | 41mm - 1 5/8" | 390 |
| 50mm | P4T5012 | 2" | 46mm - 1 13/16" | 440 |
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