3:1 Pitch Spiral Binding Coil - 100pk
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3:1 Pitch Spiral Binding Coil - 100pk (SPCOIL31)
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Use this 3:1 pitch binding coil along with your Proclick Binding Machine or your 3:1 Pitch Wire Binding Machine . This coil will provide the same look and feel that you get with the more common 4:1 pitch coil and is available in sizes from 6mm (1/4") up to 50mm (2"). It is an excellent binding option for reports or documents that are frequently mailed or handled because of its durability. MyBinding.com currently offers 3:1 pitch coils in more than 45 different colors, and we can even provide custom color matching services for larger jobs. Check below for a list of sizes and approximate capacities. Plus, you might also want to read our article on Using 3:1 Pitch Coil with a Proclick Binding Machine.
Please Note that most of our 3:1 pitch coil is made to order, is non-returnable, and can take an extra 2-3 business days to ship. If you need this product in a hurry, please give us a call for options before ordering.
- Product Type: 3:1 Pitch Coil Binding Spines
- Color: Various (45 Choices Available)
- Diameter: Various (Available from 6mm - 50mm)
- Pitch: 3:1 (3 Holes Per Inch)
- Length: 11" Letter (or choose other length)
- Quantity: 100 Per Box
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Transcript: Welcome to MyBinding video. This is everything you need to know about spiral coil. First, there are sizes ranging from a 6mm diameter all the way to 50mm. The smallest size can hold up to 30 pages and the largest can hold up to 444. A great benefit to spiral coil is that the pages lay flat. Better yet, they fold nicely back to back and the choices of color is one of the largest in any type of binding. Standard size coil has a 4:1 pitch, which is compliant with its respected hole punches. The standard length of each coil is 12 inches. Coil should always be longer than the pages you're binding. ... Read More
Welcome to MyBinding video. This is everything you need to know about spiral coil. First, there are sizes ranging from a 6mm diameter all the way to 50mm. The smallest size can hold up to 30 pages and the largest can hold up to 444. A great benefit to spiral coil is that the pages lay flat. Better yet, they fold nicely back to back and the choices of color is one of the largest in any type of binding. Standard size coil has a 4:1 pitch, which is compliant with its respected hole punches. The standard length of each coil is 12 inches. Coil should always be longer than the pages you're binding. There are also custom lengths up to 36 inches. With the extra length on each end, you finish off your book with special wire cutting crimpers. Once you're done, you'll have yourself a spiral coil bound book. For more demos, reviews and how-to's, go to MyBinding.com.
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|
Unfortunately, we do not offer a variety pack of colors or sizes on the 3:1 Pitch Spiral Binding Coil - 100pk.
Answered by MyBinding
Is this spiral coil (Part #: SPCOIL31 - in white) made of metal? I bought several boxes of the plastic coils and they were brittle and didn't work AT ALL.
Asked by NYC Binder
The Special coil is made of plastic. We do not have spiral coil in the metal coil at this time. We do have 3:1 wire but it is only meant to be bound with a 3:1 machine. If you need assitance with supplies, please contact us at 800-944-4573 and we would be happy to help.
Answered by Mybinding.com
Asked by Carol
That is a great question, but unfortunately, they are not available in smaller quantities.
Answered by MyBinding Rep
Thank you for your question. Unfortunately there is not a coil large enough to accommodate a 800 page book. The largest coils 50mm (2") in diameter which can hold up to 440 sheets of 20# paper.
Answered by MyBinding
Asked by Rachel
Unfortunately this coil has a 3:1 pitch(3 holes per inch) and will not work with a standard coil binding machine. 4:1 pitch is the standard punching pattern used by most coil binding machines in the USA.
Answered by MyBinding.com
Asked by Lynn Helin
Thank You for your question. For 25 sheets of 38# pound paper you would want to use a 3/8" diameter 3:1 spine. For a complete breakdown of the capacities of the different sized spine please refer to our Sizing Guide .
Answered by MyBinding