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8mm Black 4:1 Pitch Spiral Binding Coil - 100pk
$7.69 NewCondition InStock
8mm Black 4:1 Pitch Spiral Binding Coil - 100pk

8mm Black 4:1 Pitch Spiral Binding Coil - 100pk

Part #: P103-08-12
13 Questions, 13 Answers
Brand: MyBinding

Your Price: $7.69

Retail: $9.57

You Save: 20%

Brand New Price Match Guarantee In Stock Ships Free Over $75
Main Features:
  • Length: 12" Letter (or choose other length)
  • Approximate Capacity: 54 Sheets (20# Bond)
  • Hole Pattern: 44 Hole
  • Quantity: 100 Per Box
Additional Sizes Below

AdditionalOptions

Product Item Number Price Qty
6mm Black 4:1 Coil 100pk ~ 30 Sheets Item Number : P103-06-12 Price :

Your Price: $5.49

Retail: $6.87

You Save: 20%

Qty :
7mm Black 4:1 Coil 100pk ~ 42 Sheets Item Number : P103-07-12 Price :

Your Price: $6.49

Retail: $8.09

You Save: 20%

Qty :
9mm Black 4:1 Coil 100pk ~ 65 Sheets Item Number : P103-09-12 Price :

Your Price: $8.99

Retail: $11.19

You Save: 20%

Qty :
10mm Black 4:1 Coil 100pk ~ 75 Sheets Item Number : P103-10-12 Price :

Your Price: $10.79

Retail: $13.35

You Save: 19%

Qty :
11mm Black 4:1 Coil 100pk ~ 85 Sheets Item Number : P103-11-12 Price :

Your Price: $12.49

Retail: $15.51

You Save: 19%

Qty :
12mm Black 4:1 Coil 100pk ~ 92 Sheets Item Number : P103-12-12 Price :

Your Price: $13.59

Retail: $16.86

You Save: 19%

Qty :
13mm Black 4:1 Coil 100pk ~ 105 Sheets Item Number : P103-13-12 Price :

Your Price: $14.19

Retail: $17.54

You Save: 19%

Qty :
14mm Black 4:1 Coil 100pk ~ 115 Sheets Item Number : P103-14-12 Price :

Your Price: $15.59

Retail: $19.29

You Save: 19%

Qty :
15mm Black 4:1 Coil 100pk ~ 125 Sheets Item Number : P103-15-12 Price :

Your Price: $19.49

Retail: $24.15

You Save: 19%

Qty :
16mm Black 4:1 Coil 100pk ~ 135 Sheets Item Number : P103-16-12 Price :

Your Price: $20.19

Retail: $24.96

You Save: 19%

Qty :
17mm Black 4:1 Coil 100pk ~ 142 Sheets Item Number : P103-17-12 Price :

Your Price: $20.69

Retail: $25.64

You Save: 19%

Qty :
18mm Black 4:1 Coil 100pk ~ 155 Sheets Item Number : P103-18-12 Price :

Your Price: $23.59

Retail: $29.28

You Save: 19%

Qty :
19mm Black 4:1 Coil 100pk ~ 160 Sheets Item Number : P103-19-12 Price :

Your Price: $25.59

Retail: $31.71

You Save: 19%

Qty :
20mm Black 4:1 Coil 100pk ~ 172 Sheets Item Number : P103-20-12 Price :

Your Price: $27.79

Retail: $34.41

You Save: 19%

Qty :
22mm Black 4:1 Coil 100pk ~ 190 Sheets Item Number : P103-22-12 Price :

Your Price: $32.69

Retail: $40.49

You Save: 19%

Qty :
23mm Black 4:1 Coil 100pk ~ 200 Sheets Item Number : P103-23-12 Price :

Your Price: $33.79

Retail: $41.84

You Save: 19%

Qty :
25mm Black 4:1 Coil 100pk ~ 220 Sheets Item Number : P103-25-12 Price :

Your Price: $38.69

Retail: $47.91

You Save: 19%

Qty :
28mm Black 4:1 Coil 100pk ~ 250 Sheets Item Number : P103-28-12 Price :

Your Price: $43.39

Retail: $53.72

You Save: 19%

Qty :
30mm Black 4:1 Coil 100pk ~ 270 Sheets Item Number : P103-30-12 Price :

Your Price: $45.79

Retail: $56.69

You Save: 19%

Qty :
32mm Black 4:1 Coil 100pk ~ 280 Sheets Item Number : P103-32-12 Price :

Your Price: $50.29

Retail: $62.36

You Save: 19%

Qty :
33mm Black 4:1 Coil - 100pc ~ 290 Sheets Item Number : P103-33-12 Price :

Your Price: $52.29

Retail: $64.79

You Save: 19%

Qty :
35mm Black 4:1 Coil 100pk ~ 310 Sheets Item Number : P103-35-12 Price :

Your Price: $60.79

Retail: $75.32

You Save: 19%

Qty :
38mm Black 4:1 Coil 100pk ~ 330 Sheets Item Number : P103-38-12 Price :

Your Price: $66.79

Retail: $82.74

You Save: 19%

Qty :
40mm Black 4:1 Coil 50pk ~ 350 Sheets Item Number : P103-40-12 Price :

Your Price: $39.19

Retail: $48.59

You Save: 19%

Qty :
42mm Black 4:1 Coil 50pk ~ 360 Sheets Item Number : P103-42-12 Price :

Your Price: $43.29

Retail: $50.61

You Save: 14%

Qty :
45mm Black 4:1 Coil 50pk ~ 390 Sheets Item Number : P103-45-12 Price :

Your Price: $41.99

Retail: $51.96

You Save: 19%

Qty :
50mm Black 4:1 Coil 50pk ~ 440 Sheets Item Number : P103-50-12 Price :

Your Price: $51.79

Retail: $64.11

You Save: 19%

Qty :

ProductDescription

This 8mm Black 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 Black we carry 4:1 pitch coil in 45 different colors and in sizes up to 50mm in diameter. These 8mm coils are designed to bind documents that are up to 6mm (7/32") including covers. Plus, all of our Black binding coils are CPSIA and ROHS compliant and are made in either Canada or the USA (not China).

Product Details

  • Product Type: Coil Binding Spines
  • Color: Black
  • Diameter: 8mm
  • Pitch: 4:1 (4 Holes Per Inch)
  • Approximate Capacity: 54 Sheets (20# Bond)
  • Length: 12" Letter (or choose other length)
  • PMS Color: N/A
  • Quantity: 100 Per Box
  • MyBinding Part Number: P103-08-12

ProductReviews

18 Review(s)
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Reviewed on 5/3/2018

Good quality, fair prices, quick delivery. Thank you.

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Reviewed on 3/1/2018

Excellent coils! Review by Karyl

I always purchase these and they are consistently quality!

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Reviewed on 2/21/2018

Great product at a great price!

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Reviewed on 11/17/2017

product as expected. Review by Denis

product as expected.

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Reviewed on 11/7/2017

Perfect for my needs Review by Cindy

Nice quality, does what I need it to!

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Reviewed on 8/28/2017

Great Review by DAVID

Perfect, coil is made well.

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Reviewed on 8/2/2017

Great product & company Review by Claire

Never had a problem with the coils. We've been ordering them for years. Great company, always have sales when we need them and the website is easy to use.

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Reviewed on 7/5/2017

It is what I ordered. Review by April

Good quality.

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Reviewed on 6/22/2017

Great` Review by Donna

We liked them a lot and are thinking of ordering more in different sizes.

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Reviewed on 6/12/2017

Coils gonna coil Review by Michael

They do their job very well. As expected.

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DemonstrationVideo

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 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
Questions & Answers
Q:
Do you need wire cutter pliers for plastic coils? Will the pliers bend the plastic like they will bend wire at the end so the pages don't fall out? or are the pliers just for metal wire?
Asked by Sara
A:
Thank you for your question. To crimp and trim the standard plastic binding coils you would want to use a pair of Crimping Pliers. You can find our section of Crimping Pliers here .

Answered by MyBinding 24 days ago
Q:
If I punch my holes with the cinch, can I wind a sprial coil through with no issues?
Asked by Meredith
A:
Thank you for your question. It would depend on what pitch the Cinch punches. These are a 4:1 coil ( 4 holes per inch). If the cinch punches a 3:1 pitch hole pattern you are able to order custom cut coils here . If the Cinch punches a 2:1 hole pattern unfortunately there is not a plastic coil available that matches a 2:1 pitch.

Answered by MyBinding 1 years and 2 months ago ago
Q:
I want to use these coils for a menu, will these stand up to the daily abuse a menu endures?
Asked by Jorge
A:
Thank you for this excellent question. The spiral coils will work with a menu. However, to endure the daily abuse we do offer a thicker filament for the coils. .70, .83 and .93. These are not listed on our website, so please call In and let us know what you are looking for and we will be happy to assist you. 1-800-944-4573

Answered by MyBinding 1 years and 6 months ago ago
Q:
Can you send me a price list of coil & wire-o, etc., from your Arlington, Va. location
Asked by Thomas S. Marinello
A:
Unfortunately, we do not maintain a physical catalog of our goods. Our website will be your best resource to get our current price on products. If you have any questions about availability of a product our customer service department would be happy to assist at 1-800-944-4573.

Answered by MyBinding.com 2 years and 3 months ago ago
Q:
How is the diameter of these coils measured? I have a coil but am not sure what size it is.
Asked by J. Martin
A:
The size of the coil is the inside diameter of the coil. For smaller coils it can be a bit tricky to measure by if you take your ruler you should be able to measure straight across from the inside to the inside of the spiral. Coil is measured in millimeters so make sure you have a metric ruler for your measurement.

Answered by Mybinding.com 2 years and 4 months ago ago
Q:
How do I bend the ends of these coils over? Do I need a special tool?
Asked by Harris H.
A:
Most people who bind documents with these spines use a pair of Coil Crimping Pliers to crimp the ends of the coil and to bend the end over. If you don't have a pair you can use needle nosed pliers but the process will take quite a bit longer.

Answered by Mybinding.com 2 years and 4 months ago ago
Q:
How do I know what size I am going to need? I am using 28lb paper.
Asked by D. White
A:
The best way to determine the diameter of coil that you are going to need is to take a book including covers assembled and measure its thickness in millimeters. Add 2mm for smaller diameters and 4 for larger diameters and you should know your size. Just be sure to round up if in doubt. It is way easier to use a slightly larger coil than one that is too small.

Answered by Mybinding.com 2 years and 4 months ago ago
Q:
Do you carry other colors of coil?
Asked by M. Jackson
A:
We actually carry more than 50 different colors of coil in virtually any size that you can imagine. You can find all of the options Here on our site.

Answered by Mybinding.com 2 years and 4 months ago ago
Q:
What do you mean when you say 4:1 pitch?
Asked by Thomas T.
A:
That just refers to the spacing of the holes in your punched pattern. These coils are designed for documents that are punched with a standard coil binding machine that produces 43 or 44 holes on an eleven inch document. Most of the machines that we carry fall into that category. You can also use these spines if you have a 6mm punch which is the European equivalent to 4:1 pitch.

Answered by Mybinding.com 2 years and 4 months ago ago
Q:
What machines will these coils work with?
Asked by Jeff
A:
These coils will work with any standard 4:1 pitch spiral coil binding machine. You can find a huge assortment of both manual and electric Coil Binding Machines Here

Answered by MyBinding.com 2 years and 5 months ago ago
Q:
What is the difference on these coils and the premium coils?
Asked by A. WEBB
'>
A:
Premium coils are simply made by a premium brand such as GBC or Fellowes. They aren't actually premium in quality. Do yourself a favor and buy the less expensive MyBinding branded coils which are actually made in the USA out of higher quality materials.

Answered by MyBinding.com 2 years and 5 months ago ago
Q:
Can I order coils that have different spacing then the "standard" ones ?
Asked by R. FREEMAN
A:
Most of our customers order 4:1 pitch coil which is probably what you are referring to as standard. However, we also offer coils in 3:1, 2.5:1, 5:1 and 6mm pitches. If you need a specialty pitch it will take an extra day or two for us to make the coil but all of the different colors are available.

Answered by MyBinding.com 2 years and 5 months ago ago
Q:
Do these come with metal wire inside or are they all plastic? As I am looking for something sturdy.
Asked by E. FISHER
A:
All of our coils are made from 100% food grade extruded PVC plastic. They are even made right here in the USA. They will provide an excellent and sturdy bind for your document and they are some of the highest grade plastic coils you will find on the market.

Answered by MyBinding.com 2 years and 5 months ago ago
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