QUALITY MATERIALS - Durable polymer construction designed for professional use. Flexible yet built to prevent snagging and cracking. Great for business proposals, reports, menus, and other binding projects. PRE-CUT COILS - Each TruBind coil is 12 inches long and fits a letter-sized book, document, or binding project perfectly. Coils have plenty of excess length, for crimping the ends for a professional, finished presentation. PRE-SIZED COILS - 9mm (11/32 in.) diameter to bind up to 65 sheets of standard 20# copy paper. Maximum binding capacity of 5/16 inches in thickness. Perfect for most office projects. 4:1 PITCH - 48 loops per 12 inch coil. 4:1 pitch matches the 4 holes per inch punching pattern on your document / project. UNIVERSAL COMPATIBILITY - Recommended for use with TruBind Spiral Binding Machines like the TB-S20, TB-S20A, or TB-S20AP. Also compatible with other 4:1 coil-binding machines.

Every in-office binding project needs the perfect binding supplies to make it complete. TruBind 9-mm (11/32-inch) Binding Coils allow you to create professional-looking bound projects affordably and easily. Spiral coil binding offers documents both a professional, finished look and a ”lay-flat” design with the ability to flip pages 360° from front to back. These plastic coils are an excellent high-quality choice for business proposals, directories, staff handbooks, annual reports, company presentations, restaurant menus, and more!

Plastic spiral coils from TruBind are made of high-quality plastic that won’t bend or snag. Each coil is pre-cut to 12 inches long, making them the perfect choice for binding spines for standard letter-sized documents. Plenty of excess is included so that you can crimp the ends for a finished look or simply trim them down if you need a slightly smaller size. TruBind plastic coils can be used with any binding machine with disengaging pins like all our TruBind machines.

Each TruBind Binding Coil is 9 mm, or 11/32 inch in diameter, with 48 loops per 12-inch coil. This provides the right durability and holding strength for most in-office binding projects. All standard TruBind binding coils have a 4:1 pitch, which means they will fit any binding machine that punches 4 holes per inch.

TruBind Plastic Binding Coils provide the flexibility you need to create affordable in-office projects. Our plastic coils can hold up to 65 sheets of standard 20# copy paper when bound. That equals a maximum binding capacity of 5/16 inches of thickness, perfect for most office projects. With 100 pieces per box, you can access wholesale binding-material pricing while purchasing the right number of coils for your office needs. Whether you are binding a few books or hundreds, TruBind provides the quality of materials you need.