Carbon Steel Slotted Chicago Screws

Key Characteristics
  •  Secure Fastening – Prevents loosening under vibration (unlike standard screws)
  • Flush Mounting – Low-profile head sits nearly flat with the material surface
  • Tool-Driven Assembly – Requires a flat-head screwdriver for installation
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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.

1. Fundamental Definition

A carbon steel slotted Chicago screws is a specialized two-part mechanical fastener consisting of:

  • male-threaded post with a slotted drive head

  • female-threaded barrel with an integrated flange

These fasteners create secure, flush-mounted joints in applications requiring repeated assembly/disassembly while maintaining structural integrity.

2. Material Specifications

  • Base Material: Low-to-medium carbon steel (typically 1008-1035 grades)

  • Surface Treatments:

    • Zinc plating (most common corrosion protection)

    • Black oxide (for tooling and industrial applications)

    • Nickel plating (enhanced wear resistance)

    • Untreated (for temporary assemblies or painting)

4. Mechanical Properties

  • Tensile Strength: 45,000-70,000 psi (depending on carbon content)

  • Shear Strength: Approximately 60% of tensile strength

  • Torque Capacity: 5-25 in-lbs (0.56-2.82 Nm) for standard sizes

  • Temperature Range: -20°F to +250°F (-29°C to +121°C) untreated

5. Functional Advantages

  • Resistencia a las vibraciones: Thread-locking action prevents self-loosening

  • Material Versatility: Compatible with:

  • Serviceability: Allows non-destructive disassembly

  • Aesthetic Finish: Provides clean, professional appearance

7. Specialized Variants

  • Security Versions: Require custom driver bits

  • Shoulder Screws: Unthreaded midsections for rotational applications

  • O-Ring Equipped: Integrated sealing for waterproof joints

  • Knurled Barrel: Tool-free hand tightening models

8. Installation Protocol

  1. Hole Preparation:

    • Drill clearance hole (0.005″-0.010″ larger than barrel OD)

    • Countersink if required (typically 82° for flat heads)

  2. Assembly Process:

    • Insert barrel from reverse side

    • Thread post through primary material

    • Carbon Steel Slotted Chicago Screws

10. Industry Applications

  • Transportation: Aircraft interior panels, automotive trim

  • Defense: Body armor assembly, weapon accessories

  • Retail: Display fixture construction

11. Cost Analysis

  • Unit Cost: $0.15-$2.50 depending on:

    • Volume (breaks at 1,000+ units)

    • Plating requirements

    • Precision tolerances

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