
50mm Black Eco-Coil 4:1 Recycled Spiral Binding Coils - 50pk
- Length: 12" Letter
- Approximate Capacity: 440 Sheets (20# Bond)
- Pitch: 4:1 (4 Holes Per Inch)
- Quantity: 50 Per Box
ProductDescription
Product Details
- Product Type: Recycled Binding Coil
- Color: #103 Black
- Diameter: 50mm
- Pitch: 4:1 (4 Holes Per Inch)
- Approximate Capacity: 440 Sheets (20# Bond)
- Length: 12" Letter
- Quantity: 50 Per Box
- Part Number: P203EC-50-12
Demonstration Video

Everything There Is To Know About Spiral Coil Video
Eco-Coil F.A.Q.
Eco-Coil Recycled Binding Coil FAQ |
1. What are Eco-Coil spines made out of? How are they made?
2. You say the coils are not only recycled but also recyclable. How do you recycle them?
3. Are Eco-Coil's more expensive than standard coils?
4. Can you tell the difference between Eco-Coil and the standard binding coils that MyBinding carries?
5. Can you tell the difference in the quality of this coil vs. other non US made brands?
6. What does CPSIA stand for? How about ROHS? Why does it matter?
7. How many colors and sizes are available in Eco-Coil?
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Coil Sizing Guide
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 |