2.5:1 Pitch Spiral Binding Coil - 100pk
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2.5:1 Pitch Spiral Binding Coil - 100pk
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This heavy duty spiral coil is designed for use with a 2.5 to 1 pitch hole pattern (or 0.400 hole spacing). It can be used with a true 2.5:1 pitch hole pattern (mostly available for large industrial binding punches) or the more common 2:1 wire binding hole pattern for binding large sized books with coil. This special type of coil is only available in sizes greater than 23mm and it utilizes a more rigid filament to make the inserting process easier. 2.5:1 pitch coil is available in sizes from 23mm up to 50mm in diameter and in more than 45 colors. In the past, binding large documents with coil was a huge pain but using this coil it should be a whole lot easier.
Please Note that our 2.5:1 pitch coil is made to order, is non-returnable and can take an extra 1-2 business days to ship. If you need this product in a hurry please give us a call for options before ordering.
- Product Type: .400 Pitch Coil Binding Spines
- Color: Choose Above (45 Choices Available)
- Diameter: Choose Above (23mm-50mm Available)
- Pitch: 0.400 (2.5 Holes Per Inch)
- Length: 12" Letter (or choose other length)
- Quantity: 100 Per Box
- Part Number: SPCOIL251
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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|
I have medical books that are almost 2000 pages. Is there big enough spiral coil that would bind them? Thanks.
Asked by Tess Sullivan
Unfortunately, the largest spiral coil, (50 mm) would only hold up to about 440 sheets of 20lb paper. Screw posts would be an option for you https://www.mybinding.com/aluminum-screw-posts-100pk.html?sku=SO500ASP.
Answered by MyBinding.com
I have a "We R" Cinch hole punch with a 2:1 hole pitch. I want to bind a book with 130 pages. Could you please tell me what size plastic coil I need? I previously ordered 4:1 - unaware at the time there were different spacings.
Asked by Sharon Ellsworth
Thank you for the question. Unfortunately we do not carry a 2:1 plastic coil. The closest we would have is 2.5:1 pitch coil. It is a coil that is made to order. (link: https://www.mybinding.com/2-5-1-pitch-spiral-binding-coil-100pk.html ) In Googling your machine it looks like it is designed to use a proprietary coil from the manufacturer.
Answered by MyBinding