These have a finished closed end on the female portions which is the most appealing for appearances, instead of an unfinished open hole opening. Also referred as an aluminium rivet. For use binding literature such as catalogs, lists, sample books and more!
Steel Barrel Screws, Steel Screws, 8-32, 10-24, 1/4-20
Brass Screw Posts
Made in USA - #8-32 Thread Barrel, Aluminum Sex Bolt & Binding Post - 00293225 - MSC Industrial Supply
Fastener + Fixing Magazine #71
Chicago Screws — Tandy Leather, Inc.
Binding Posts - Aluminum : Apex Fasteners
Screw posts, also known as Chicago screws or book binding posts, are extremely versatile binders that allow loose documents of practically any shape
TRUBIND Chicago Screw and Post Sets - 7/8 inch Post Length - 3/16 inch Post Diameter - Aluminum Hardware Fasteners - 100 Screws with 100 Posts for
RS PRO, M3 Brass Threaded Insert diameter 4mm Depth 4.78mm - RS Components Indonesia
Chain Load Binder 5/16-3/8 inch Grade 80 Chain Binders Tie Down 4 Pieces