Aluminum Screw Posts often referred to as Chicago Screws, Chicago Screw Posts, or male & female screws are a great choice for binding photo albums, swatch books, scripts, architectural blueprints, engineering drawings, or any application where loose sheets need to be kept together.
Binding with screw posts allows for easy editing without damaging the bound materials. Expanding the screw posts' capacity is also made easy by simply attaching our Aluminum Extensions.
Aluminum Screw Post heads are 7/16" in diameter and the Posts are 3/16" in diameter. Available in sizes from 1/4" all the way to 5". Colors include traditional Silver, Black, Gold and Antique Bronze.