What are binding post screws used for?

Screw binding posts, also called sex bolts or Chicago screws, are two component fastener systems consisting of an internally threaded post barrel and a mating screw. These simple to install fasteners are useful for binding books, documents, and leatherwork.

How do binding screws work?

Screw binding can be used for a wide variety of books, even leather or paint and fabric swatches. The barrel post of the screw goes through the back cover, through all of the pages, to the front cover. The cap screw is put on the top of the barrel post to keep it fastened.

What is post screw?

Screw posts are commonly used in bookbinding for making books where pages are to be interchanged. They are commonly used as a binding mechanism for loose pages in photo albums, sample books, menus, wine lists, and much more. Screw posts are also sometimes referred to as Chicago posts. Shaft diameter: 3/16″

How do you unscrew a binding screw?

Heat the head of a stiff-necked screw with a soldering iron to loosen the glues’ grip on the threads. One is to use an impact wrench with a posi-drive bit. In my experience this works, but only rarely because few people own an impact wrench.