Flat head Chicago screw

El proceso de estampado en frío es uno de los nuevos procesos de mecanizado a presión de menor o ningún corte
metal. Es un método de transformación que utiliza la deformación plástica del metal bajo la acción de
fuerzas externas y, con ayuda de moldes, redistribuye y transfiere el volumen de metal para formar
las piezas o formatos necesarios. El proceso de estampación en frío es el más adecuado para producir piezas estándar.
elementos de fijación como pernos, tornillos, tuercas, remaches, pasadores, etc.

Flat Head Tornillo de Chicago, also known as sex bolts, binding posts, or barrel nuts, are two-part fasteners consisting of a male screw y un female barrel. They are commonly used in leatherworking, bookbinding, and other applications where a flush, low-profile connection is needed.

Features of Flat Head Chicago Screw:

1. Flat Head Design – The screw has a countersunk flat head that sits flush with the surface when installed.

2. Threaded Barrel (Female Part) – The barrel nut has internal threads that accept the male screw.

3. No External Threads Visible – Once assembled, the screw threads are hidden inside the barrel, providing a clean finish.

4. Secure Fastening – They provide a strong, permanent or semi-permanent hold, often requiring a tool (like a screwdriver or spanner wrench) for disassembly.

5. Variety of Materials – Available in acero inoxidable, brass, aluminum, and steel, with options for plating (nickel, black oxide, etc.).

6. Multiple Sizes – Come in different lengths and diameters (e.g., #6-32, #8-32, #10-24, 1/4″-20, etc.).

Common Uses:

• Leathercraft (belts, holsters, straps)

• Bookbinding (removable covers, portfolios)

• Furniture assembly

• Signage & displays

• Military & tactical gear (where rivets aren’t suitable)

Ventajas:

• Reusable – Can be unscrewed and reassembled.

• Flush Finish – No protruding parts.

• Stronger than rivets – Allows for disassembly without damage.