Aluminum screw posts have been a popular book binding solution for a long time, as they are extremely easy to put together and take apart, and require no machines or special training to use. Binding screws are simply that: screws. They are a two-piece binding solution that has one post side (female side) and one screw side (male side) that are screwed together to bind. To un-bind, they are simply unscrewed. Because binding posts can be easily bound and unbound quickly, they are a great choice for photo book binding, blueprint and engineering drawing binding, and presentations that might be edited or changed in the future.
Also called Chicago screws or Chicago screw posts, they come in a large selection of sizes from as small as 1/8" up to as large as 5". We also offer screw post extensions so you can bind even thicker books. We offer steel screw posts and plastic binding screws as an alternative, however, these aluminum Chicago screws are the most popular option that we offer because of the larger range of sizes available, the perfect blend of affordability and strength, and their ability to easily be edited.
All of our aluminum screw binding posts feature one slotted side. For small binding bolts up to 3/8", the other side features a hole that allows the screw to bind tightly with the post, creating a more secure bind. For large screw posts, however, the other side is smooth, as the post is long enough to create a strong bind with the screw without needing that additional length provided by the hole.