4:1 Pitch Coil Bindings

The standard pitch in the United States for the plastic coil is 4:1. Pitch refers to the holes-per-inch or the hole spacing. It is reflected in a ratio that includes the number of holes, a punctuation colon, and then the inch measurement. For example, 4:1. This ratio is read aloud/pronounced as "four to one" and means four holes for every 1 inch of length. 4:1 pitch binding coil spines are by far the most popular, as it is the standard spacing for coils in the United States. About 98% of our customers order 4:1 pitch spiral bindings.

 

Plastic Coil is a great way to add color when binding your book. Measuring at a 12" or 36" length, the pitch for spiral coil bindings can be 4 or 5 holes per inch, with sizes ranging from 6mm (1/4 inch) to 50mm (2 inches). Being both durable and flexible, you'll be able to lay your documents completely flat or wrap around. Our coil supplies keep their shape and come in a variety of colors. If you don't see your color, we will be more than happy to custom PMS match it for you! Get simple, flexible, affordable, and professional spiral coil binding spines right here at SpiralBinding.com.

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  1. 4:1 Clear 12" Spiral Plastic Coils

    • Sizes available from 6mm-50mm (1/4"-2")
    • Bind up to 440 Sheets (20 lb.) or a 1-3/4" Thick Stack
    • 4:1 Pitch (Standard) Hole Spacing
    • 12" Long Coils (Standard Letter Size)
    Product Name Item Number Price Qty
    Spiral Plastic Coil 4:1 12" [Clear, 6 mm (1/4")] 100 /Box 334106CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 7 mm (9/32")] 100 /Box 334107CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 8 mm (5/16")] 100 /Box 334108CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 9 mm (23/64")] 100 /Box 334109CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 10 mm (3/8")] 100 /Box 334110CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 11 mm (7/16")] 100 /Box 334111CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 12 mm (1/2")] 100 /Box 334112CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 13 mm (17/32")] 100 /Box 334113CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 14 mm (9/16")] 100 /Box 334114CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 15 mm (19/32")] 100 /Box 334115CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 16 mm (5/8")] 100 /Box 334116CLEA Request Quote
    Spiralastic Plastic Coil 4:1 12" [Clear, 17 mm (43/64")] 100 /Box 334117CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 18 mm (23/32")] 100 /Box 334118CLEA Request Quote
    Spiralastic Plastic Coil 4:1 12" [Clear, 19 mm (23/32")] 100 /Box 334119CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 20 mm (3/4")] 100 /Box 334120CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 22 mm (7/8")] 100 /Box 334122CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 25 mm (1")] 100 /Box 334125CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 28 mm (1-1/8")] 100 /Box 334128CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 30 mm (1-3/16")] 100 /Box 334130CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 32 mm (1-1/4")] 100 /Box 334132CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 35 mm (1-3/8")] 100 /Box 334135CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 38 mm (1-1/2")] 100 /Box 334138CLEAR Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 40 mm (1-5/8")] 100 /Box 334140CLEAR Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 45 mm] 50 /Box 334145CLEA Request Quote
    Spiral Plastic Coil 4:1 12" [Clear, 50 mm (2")] 50 /Box 334150CLEAR Request Quote
  2. 4:1 Clear 36" Spiral Plastic Coils

    • Sizes available from 6mm-25mm (1/4"-1")
    • Bind up to 230 Sheets (20 lb.) or a 13/16" Thick Stack
    • 4:1 Pitch (Standard) Hole Spacing
    • 36" Long Coils

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