Plastic Comb Binding Capacity & Diameter Guide

Comb Binding Elements and Supplies from ABC OfficeDo you need to comb bind a book, but don’t know what size comb binding element to use? You’re not alone. Sometimes it’s though to visually gauge exactly what size of binding strip to use. While some comb binding machines include a handy guide, most don’t. Many manuals don’t even include a capacity or diameter guide for binding books.

Using a binding comb that is too big causes the bound book to look odd, not to mention pages flop around with the excess diameter. Books bound using a comb binding strip that is too small causes pages to rip out and makes page turns difficult.

One nice thing about plastic comb, versus coil and wire, is that there’s only one pitch. Combs come in what’s known as a 19-ring hole pattern. Don’t be surprised if your combs aren’t totally round in diameter. Combs that are between 1 ½” to 2” often have an oval shape to accommodate the thicker size and make page turns easier.

I have come up with this guide to help you determine the correct diameter and size of comb to use with your books.

Comb Binding Quick Reference Capacity & Diameter Guide

(Based On 20# Paper)

3/16″ (4.76 mm) – 12 Sheets
1/4″ (6.35 mm) – 20 Sheets
5/16″ (7.94 mm) – 40 Sheets
3/8″ (9.53 mm) – 55 Sheets
7/16″ (11.11 mm) – 70 Sheets
1/2″ (12.7 mm) – 90 Sheets
9/16″ (14.29 mm) – 100 Sheets
5/8″ (15.88 mm) – 120 Sheets
3/4″ (19.05 mm) – 150 Sheets
7/8″ (22.23 mm) – 170 Sheets
1″ (25.4 mm) – 200 Sheets
1 1/8″ (28.58 mm) – 220 Sheets
1 1/4″ (31.75 mm) – 230 Sheets
1 1/2″ (38.1 mm) – 290 Sheets
1 3/4″ (44.45 mm) – 360 Sheets
2″ (50.8 mm) – 425 Sheets

You can find our entire selection of comb binding supplies here and our comb binding machines here. Do you still have questions about comb binding supplies? Call one of our experts for answers at 1-800-658-8788.

Keith Barlow

Keith is a third generation office equipment expert. ABC Office was started by his grandfather back in 1980 and he is proud to be caring on the values that made ABC Office what it is today… unsurpassed selection, detailed information, low prices, and courteous support.

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