What is a Chicago Screw?

Whether you call it a Chicago Screw, Sex Bolt, Screw Bolt, Tree Nut, or by many other names, what are Chicago Screws and how are they used. From fashion & craft hardware producers, Buckleguy.

Black Tactical Chicago Screws - 2 Pack - 1/4 - Hanks Belts

Chicago Screws Black - Pack of 50 - The Strap Warehouse

Chicago Screws - Anstey Book Binding Services CanadaAnstey Book

Brass Chicago Screw Posts Chicago Binding Posts – Tagged Blind

The Amazingly Useful Chicago Screw

Chicago Pech in Ludhiana - Dealers, Manufacturers & Suppliers

chicago screw gold aluminum titanium stainless

Chicago Screws - 6 mm Nickel Pack of 10, Mac-Lace Leather

Economy Chicago Screw 3 - 6 mm (100 pcs), Nickel Plated

1/2 Nickel, Chicago Screw, Solid Brass, #L-156-1-2SBN